单词 | apical |
例句 | The apical complex is located at the narrow end. Fundamentals of Biology 2015-01-01T00:00:00Z Figure 14.5 This apple seedling is an example of a plant in which the apical meristem gives rise to new shoots and root growth. Concepts of Biology 2013-04-25T00:00:00Z Primary growth is a result of rapidly dividing cells in the apical meristems at the shoot tip and root tip. Biology for AP Courses 2022-06-09T00:00:00Z Hormones also produce changes in apical meristems, stopping them from producing leaves and forming a waxy layer of cold protection. Miller & Levine Biology 2018-01-01T00:00:00Z These cells are not as active as those in the PCT; thus, there are fewer microvilli on the apical surface. Anatomy and Physiology 2013-06-19T00:00:00Z These organisms exhibit a single, apical flagellum that is surrounded by a contractile collar composed of microvilli. Fundamentals of Biology 2015-01-01T00:00:00Z The apical meristem is a cap of cells at the shoot tip or root tip made of undifferentiated cells that continue to proliferate throughout the life of the plant. Concepts of Biology 2013-04-25T00:00:00Z If the apical bud is removed, then the axillary buds will start forming lateral branches. Biology for AP Courses 2022-06-09T00:00:00Z Primary growth of stems is the result of the division and elongation of cells produced in the apical meristem. Miller & Levine Biology 2018-01-01T00:00:00Z When stimulated by ADH, aquaporin channels are inserted into the apical membrane of principal cells, which line the collecting ducts. Anatomy and Physiology 2013-06-19T00:00:00Z Four major adaptations are found in all terrestrial plants: the alternation of generations, a sporangium in which the spores are formed, a gametangium that produces haploid cells, and apical meristem tissue in roots and shoots. Fundamentals of Biology 2015-01-01T00:00:00Z Vascular plants, which include seedless plants and plants with seeds, have apical meristems, and embryos with nutritional stores. Concepts of Biology 2013-04-25T00:00:00Z They concluded that the signal had to travel from the apical meristem to the base of the plant. Biology for AP Courses 2022-06-09T00:00:00Z When the condition occurs, doctors typically see that a patient's left ventricular apical, which is located within the heart, balloons. Dying from a broken heart is a real thing 2022-06-09T04:00:00Z The epithelial cells exhibit polarity with differences in structure and function between the exposed or apical facing surface of the cell and the basal surface close to the underlying body structures. Anatomy and Physiology 2013-06-19T00:00:00Z Primary growth adds length or height, mediated by apical meristem tissue at the tips of roots and shoots—which is difficult to show clearly in cross-sectional diagrams. Fundamentals of Biology 2015-01-01T00:00:00Z It is during the 8- to 16-cell transition that cells in early mammalian embryos first become asymmetrically organized — with subsets of proteins becoming concentrated at opposite cell poles, a feature called apical–basal polarity. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z Apical dominance—the inhibition of lateral bud formation—is triggered by auxins produced in the apical meristem. Biology for AP Courses 2022-06-09T00:00:00Z Once this trunk-to-be grew just above the top of the 3-foot-high fence, I cut its top back to the 3-foot height, releasing the remaining buds from the suppressing effect of apical dominance. Espalier: how to train plants for the tracery of branches 2020-03-24T04:00:00Z At one end of the spectrum is the tight junction, which separates the cells into apical and basal compartments. Anatomy and Physiology 2013-06-19T00:00:00Z Cells akin to an apical meristem actively divide and give rise to a gametophore, consisting of a photosynthetic stem and foliage-like structures. Fundamentals of Biology 2015-01-01T00:00:00Z But, using fast live imaging, the group that performed the current study showed previously3 that the apical domain is transiently lost during mitotic cell division, before re-forming in the daughter cells on the embryo’s periphery. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z Another effect of ABA is to promote the development of winter buds; it mediates the conversion of the apical meristem into a dormant bud. Biology for AP Courses 2022-06-09T00:00:00Z The arms, because of their horizontal orientation, exhibit little apical dominance, so side branches develop freely. Espalier: how to train plants for the tracery of branches 2020-03-24T04:00:00Z The stratified epithelium is named by the shape of the most apical layer of cells, closest to the free space. Anatomy and Physiology 2013-06-19T00:00:00Z The apical complex is specialized for entry and infection of host cells. Fundamentals of Biology 2015-01-01T00:00:00Z As these filaments grew during the part of the cell cycle between divisions, called interphase, they became preferentially associated with the apical, actin-rich cortex — a layer of proteins just inside the cell membrane. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z Auxins are responsible for apical dominance, root growth, directional growth toward light, and many other growth responses. Biology for AP Courses 2022-06-09T00:00:00Z In spite of the similarities to animal tissue folding, such folding in just one or possibly two choanoflagellate species means it probably evolved independently from animals using the commonly inherited apical actin-myosin ring. Marine Microbe Performs Animal Trick 2020-03-08T05:00:00Z The apical surface of this membrane is exposed to the external environment and is covered with dead, keratinized cells that help protect the body from desiccation and pathogens. Anatomy and Physiology 2013-06-19T00:00:00Z The three branches of this complex narrow and join at the apical, or narrow, end of the cell. Fundamentals of Biology 2015-01-01T00:00:00Z Daughter cells that inherit the mother’s apical region also inherit keratin, which helps to re-establish the cortex at the apical pole. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z This cellular covering has cilia at the apical, or free, surface of the cells. Biology for AP Courses 2022-06-09T00:00:00Z The trees grow up and out: Up, with a cell-generating region called the apical meristem, and out, with the vascular cambium. The Secret That Helps Some Trees Live More Than 1,000 Years 2020-01-13T05:00:00Z Many epithelial cells are capable of secretion and release mucous and specific chemical compounds onto their apical surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z The apical meristem is made of undifferentiated cells that continue to proliferate throughout the life of the plant. Fundamentals of Biology 2015-01-01T00:00:00Z Lim et al. found that apical retention of these polymers depends on their slow diffusion, which is limited by their large molecular weight and the cytoplasmic actin meshwork in which they are embedded. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z The increase in length of the shoot and the root is referred to as primary growth, and is the result of cell division in the shoot apical meristem. Biology for AP Courses 2022-06-09T00:00:00Z Over time, weather or other things damage the apical meristem, limiting a tree’s height. The Secret That Helps Some Trees Live More Than 1,000 Years 2020-01-13T05:00:00Z Certain organelles are segregated to the basal sides, whereas other organelles and extensions, such as cilia, when present, are on the apical surface. Anatomy and Physiology 2013-06-19T00:00:00Z Often, the apical meristem of a single branch will become dominant, suppressing the growth of meristems on other branches and leading to the development of a single trunk. Fundamentals of Biology 2015-01-01T00:00:00Z Initial, mild cellular deformations from extrinsic physical stress, transmitted to a cell by a neighbour that is undergoing internalization, triggered MyoII accumulation in the apical region of the non-internalized cell. Genetics and mechanics combine to guide the embryonic gut 2019-08-13T04:00:00Z The influence of the apical bud on overall plant growth is known as apical dominance, which diminishes the growth of axillary buds that form along the sides of branches and stems. Biology for AP Courses 2022-06-09T00:00:00Z But the cortex also spans the rest of the exposed apical and basal surfaces, and the contraction of this medial web seems not to tend to isotropic shapes in the same way3. A 3D cell shape that enables tube formation 2018-09-09T04:00:00Z Cilia are microscopic extensions of the apical cell membrane that are supported by microtubules. Anatomy and Physiology 2013-06-19T00:00:00Z Cells within this area are called the apical meristem. Fundamentals of Biology 2015-01-01T00:00:00Z The tissue buckling that results from this apical constriction drives cell internalization. Genetics and mechanics combine to guide the embryonic gut 2019-08-13T04:00:00Z Most coniferous trees exhibit strong apical dominance, thus producing the typical conical Christmas tree shape. Biology for AP Courses 2022-06-09T00:00:00Z Two lineage boundaries coordinate vertebrate apical ectodermal ridge formation. ANKRD16 prevents neuron loss caused by an editing-defective tRNA synthetase 2018-05-15T04:00:00Z Apocrine glands release secretions by pinching off the apical portion of the cell, whereas holocrine gland cells store their secretions until they rupture and release their contents. Anatomy and Physiology 2013-06-19T00:00:00Z A layer of cells called the root cap surrounds the apical meristem. Fundamentals of Biology 2015-01-01T00:00:00Z This condition may also be called takotsubo cardiomyopathy, apical ballooning syndrome or stress cardiomyopathy. Women and heart disease: Know the symptoms and risk factors 2018-02-04T05:00:00Z For example, apical dominance seems to result from a balance between auxins that inhibit lateral buds, and cytokinins that promote bushier growth. Biology for AP Courses 2022-06-09T00:00:00Z In response to extracellular matrix signalling, these cells undergo epithelialization and create an apical surface in contact with a cavity1,2, a fundamental event for all subsequent development. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z Each olfactory sensory neuron has dendrites that extend from the apical surface of the epithelium into the mucus lining the cavity. Anatomy and Physiology 2013-06-19T00:00:00Z These steps are key prerequisites for the accumulation of fluid between apical interfaces9. Early embryos kept in check They have an apical angle of 155°, compared with the 50°-60° found in toothy hunters such as the sperm whales, which eat squid. How whales started filtering food from the sea 2017-06-29T04:00:00Z GAs are synthesized in the root and stem apical meristems, young leaves, and seed embryos. Biology for AP Courses 2022-06-09T00:00:00Z De novo lumen formation and elongation in the developing nephron: a central role for afadin in apical polarity. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z Ciliated columnar epithelium is composed of simple columnar epithelial cells with cilia on their apical surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z However, the authors found that naive cells lack negatively charged, membrane-spanning apical proteins called sialomucins, which induce the repulsion of contacting apical membranes to form a negatively charged gap in the centre of the rosette10. Early embryos kept in check The day she curled her apical meristem around my finger, I knew she knew me. Green boughs will cover thee : Nature : Nature Research 2017-03-14T04:00:00Z Strigolactones promote seed germination in some species and inhibit lateral apical development in the absence of auxins. Biology for AP Courses 2022-06-09T00:00:00Z A molecular network for de novo generation of the apical surface and lumen. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z The arrangement gives the appearance of stratification; but in fact all the cells are in contact with the basal lamina, although some do not reach the apical surface. Anatomy and Physiology 2013-06-19T00:00:00Z At this stage, the polarized transport of sialomucins towards apical interfaces causes them to repel each other, leading to cavity opening. Early embryos kept in check This kind of variegation results from what happens at the region at the tip of a shoot where most of the cell division and growth takes place, called the apical meristem. The Plant Had a Lovely Striation. Then They Got the Pruning Shears. 2015-12-28T05:00:00Z The apical surface of each villus has many microscopic projections called microvilli. Biology for AP Courses 2022-06-09T00:00:00Z HIV moves out through the basolateral membrane, while influenza moves in and out through the apical membrane. Some Scientists Question CDC "Dogma" On Ebola Transmission 2014-10-17T04:00:00Z Another kind of stratified epithelium is transitional epithelium, so-called because of the gradual changes in the shapes of the apical cells as the bladder fills with urine. Anatomy and Physiology 2013-06-19T00:00:00Z Only when cells become primed do their apical interfaces begin to repel one another, allowing fluid to accumulate. Early embryos kept in check HIV moves through the bisolateral membrane, while influenza moves through the apical membrane. Out Of Control But Nothing To Worry About: Behind The Mixed Signals On Ebola Outbreak. 2014-10-03T04:00:00Z What is the advantage of a root cap covering the apical meristem of a root? Biology for AP Courses 2022-06-09T00:00:00Z In plants, leaves and flowers originate from the shoot apical meristem. [Research Article] Timing Mechanism Dependent on Cell Division Is Invoked by Polycomb Eviction in Plant Stem Cells 2014-01-30T19:25:55.422Z When the bladder is empty, this epithelium is convoluted and has cuboidal apical cells with convex, umbrella shaped, apical surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z This mechanism operates in chick and mouse, is dependent on actin-myosin contraction, and results in loss of apical cell polarity. [Report] Apical Abscission Alters Cell Polarity and Dismantles the Primary Cilium During Neurogenesis 2014-01-09T18:56:58.864Z Neurogenesis in the vertebrate embryo involves the production of neurons through asymmetric divisions of neuroepithelial progenitors, also known as apical progenitors. [Perspective] Young Neurons Sever Ties to the Parental Niche 2014-01-09T18:55:45.636Z Apicomplexans live for cell invasion — they’re even named after their apical complex, a highly specialised machine fine tuned for penetrating its victims. Theileria gets naked and rides the spindle 2013-07-27T11:45:00.660Z In an indeterminate shoot apical meristem, stem cells persist for the life of the plant. [Research Article] Timing Mechanism Dependent on Cell Division Is Invoked by Polycomb Eviction in Plant Stem Cells 2014-01-30T19:25:55.422Z As the bladder fills with urine, this epithelium loses its convolutions and the apical cells transition from cuboidal to squamous. Anatomy and Physiology 2013-06-19T00:00:00Z Antheridia borne in the apical sinus of the thallus. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Description.—Above brownish black; forehead and wing-band white; tail black: beneath white; bill, apical half black, basal half orange; feet red: whole length 19·0 inches, wing 15·0, tail 5·0. Argentine Ornithology, Volume II (of 2) A descriptive catalogue of the birds of the Argentine Republic. 2012-02-26T03:00:16.210Z A papery remnant of nucellus lines the inner face of the woody shell, and, as in cycadean seeds, the apical portion is readily separated as a cap covering the summit of the endosperm. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z In a determinate meristem, a certain number of organs are produced before the meristem is terminated; this characterizes the floral meristem derived from the shoot apical meristem. [Research Article] Timing Mechanism Dependent on Cell Division Is Invoked by Polycomb Eviction in Plant Stem Cells 2014-01-30T19:25:55.422Z The secretions are enclosed in vesicles that move to the apical surface of the cell where the contents are released by exocytosis. Anatomy and Physiology 2013-06-19T00:00:00Z Stamens definite; anthers opening by an apical pore. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Two apical pits are present on each dorsal scale. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) 2011-12-17T03:00:17.963Z It is closed except at the apex, and contains the female spikelet, the stalks of the male inflorescence and the long styles emerging through the small apical orifice. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z The shock of the closing valves, particularly the aortic, can be felt, and that and the forcible apical impulse are very suggestive signs of hypertrophy and hypertension. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Apocrine secretion accumulates near the apical portion of the cell. Anatomy and Physiology 2013-06-19T00:00:00Z Fertile receptacle peduncled from an apical sinus of the thallus, radiately lobed. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Mandibles with one or more dorsal and two or more ventral teeth in addition to the apical point. Journal of Entomology and Zoology Volume 11, Number 4, December 1919 2011-10-07T02:00:22.027Z Examination of a large series of specimens revealed that the apical scale of adults becomes separated from the lateral apex of the pectoral lamina at approximately the time when the hinge becomes functional as such. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z The anal is divided, apical pits are lacking, the head shields are normal for a colubrid, and the hemipenis is bilobed having many large basal spines. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. Anatomy and Physiology 2013-06-19T00:00:00Z Growing from the apex by a terminal bud or by the apical cell only. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z In Saxifraga a splitting for a short distance of the ventral sutures of the carpels takes place, so that a large apical pore is formed. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z A lateral apex of the pectoral lamina projects upward behind the axillary scale on each side, in the position occupied by the apical scale of adults. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z General color white with a narrow black margin around apical angle of front wings. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z As the limb bud elongates, cells located farther from the apical ectodermal ridge slow their rates of cell division and begin to differentiate. Anatomy and Physiology 2013-06-19T00:00:00Z The basal portion of the betel leaf must be rejected, as it produces disease; the apical part, as it induces sin; and the midrib and veins, as they destroy the intellect. Omens and Superstitions of Southern India 2011-03-28T02:00:25.937Z The chief distinctive characters of the sporogenous hyphae are their orientation, usually vertical; their limited apical growth; their peculiar branching, form, colour, contents, consistency; and their spore-production. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z For, if these radial constituents of the supposed apical system in an ophiurid have really some other origin, why can we not say the same of the supposed basals? Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z The specimen has a vertical pupil, divided anal, 21 scale rows, and two apical pits. Systematic Status of the Colubrid Snake, Leptodeira discolor Gunther 2011-01-16T03:00:23.960Z They are cylindrical apical surface extensions of the plasma membrane of the mucosa’s epithelial cells, and are supported by microfilaments within those cells. Anatomy and Physiology 2013-06-19T00:00:00Z Sub-order Dionychopoda.—The 3rd, 4th, 5th and 6th pairs of appendages slender, not evenly tapering, the segments longer than wide; the apical segment short, distally truncate, and provided with a pair of movable claws. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" ANT-LION, the name given to neuropterous insects of the family Myrmeleonidae, with relatively short and apically clubbed antennae and four large densely reticulated wings in which the apical veins enclose regular oblong spaces. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" I only say as a rule, as there are many where the banding does not follow this principle, but in far the larger majority the bands, whether of dark colour or hairs, are apical. Wild Bees, Wasps and Ants and Other Stinging Insects They consist typically of six segments, of which the basal is termed the coxa and the apical the tarsus. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" Thus, substances can only enter blood capillaries by passing through the apical surfaces of epithelial cells and into the interstitial fluid. Anatomy and Physiology 2013-06-19T00:00:00Z Appendages of 2nd pair with their basal segments united in the middle line and incapable of lateral movement; appendages of 3rd pair with only the apical segment many-jointed. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" The fruit is a capsule containing a large number of small seeds and opening by apical teeth; the seed contains a floury endosperm and a curved embryo. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4 "Carnegie Andrew" to "Casus Belli" In Italy and south-east Europe a form with entirely black body and black wings occurs, and in Corsica a black form with reddish hairs on the apical segments. Wild Bees, Wasps and Ants and Other Stinging Insects When the spores are fully ripe the peridium opens by a small apical aperture for their dispersion. Student's Hand-book of Mushrooms of America, Edible and Poisonous Most nutrients are absorbed by transport mechanisms at the apical surface of enterocytes. Anatomy and Physiology 2013-06-19T00:00:00Z Key to the Genera of the Cribrariace� A. Peridial thickenings in form of an apical net with definite thickenings at the intersections of the component threads 1. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium originating from the lower surface of the apical disk of the columella; the threads branched a few times and hanging downward, their extremities free. The Myxomycetes of the Miami Valley, Ohio Many species have the extreme apices of the segments pale, but with the apical integument so very thin, often looking nearly transparent and membranous, that its development would be very rapid. Wild Bees, Wasps and Ants and Other Stinging Insects It opens by an apical mouth, as does the genus Lycoperdon, but the species of Bovista have no sterile base. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth A Na+/K+/2Cl– symporter in the apical membrane passively allows these ions to enter the cell cytoplasm from the lumen of the loop down a concentration gradient created by the pump. Anatomy and Physiology 2013-06-19T00:00:00Z This is complete in every part; a definite bell-shaped calyx, widening into the cancellate receptacle, the margin constricted, and closed at last by the apical net, cribrum, sign of the order. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species Capillitium of long brown threads suspended from the apical disk, the threads branched a few times, occasionally anastomosing by a short, transverse branchlet, the free ends often forked. The Myxomycetes of the Miami Valley, Ohio On each side of the frenum, under the mucous membrane of the tip, are mucous glands—apical glands—in which cysts sometimes form. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The dispersion of spores takes place through an apical mouth. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth In the collecting ducts, the apical surfaces of intercalated cells have proton pumps that actively secrete H+ into the luminal, forming urine to remove it from the body. Anatomy and Physiology 2013-06-19T00:00:00Z The apical quarter of a canal has been filled with tin, and the remainder with cement. Tin Foil and Its Combinations for Filling Teeth On uninodal branchlets they form an apical group consisting of a terminal bud with a whorl of subterminal buds about its base. The Genus Pinus Auroral spot: applied to the bright orange colored spot at the apical area of Anthocharis. Explanation of Terms Used in Entomology The mycelium is cord-like; peridium nearly round, cortex a dense floccose coat; inner peridium thin, strong, elastic, opening by an apical mouth; subgleba present, cup-shaped; threads free and separate, branched; spores white. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth These smaller peptides are catabolized into their constituent amino acids, which are transported across the apical surface of the intestinal mucosa in a process that is mediated by sodium-amino acid transporters. Anatomy and Physiology 2013-06-19T00:00:00Z In some of the Coleoptera I have found auditory rods in the apical segments, though this is by no means a common occurrence. The Dawn of Reason or, Mental Traits in the Lower Animals Leaves and staminate flowers in internodal position, the primary leaves along the whole length of the internode, subtending secondary leaf-fascicles on the apical, staminate flowers on the basal part. The Genus Pinus Trichoptera, the cell between the forks of the radial sector, and separated from the 2d apical cell by a cross-vein. Explanation of Terms Used in Entomology The coat of the inner ball is thin and papery, and opens by an apical mouth. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth Recall that cells have two surfaces: apical and basal. Anatomy and Physiology 2013-06-19T00:00:00Z It is not uncommon for apical target ricochets to present evidence of damage to the apex and base of the mantle alone. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre Black; the head and thorax finely rugose; the antennæ elongate, longer than the insect; the apical half of the flagellum pale ferruginous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Apical sector: one of the longitudinal veins in the apical part of wing of Neuroptera. Explanation of Terms Used in Entomology The stem is three to four inches long, solid, hard, bulbous at the base, fibrillose, white or whitish; veil apical, ring fugacious, appendiculate. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth The apical surface is the one facing the lumen or open space of a cavity or tube, in this case, the inside of the PCT. Anatomy and Physiology 2013-06-19T00:00:00Z As an apical ricochet it corresponds with the Lee-Metford shown in fig. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre Abdomen oblong-ovate, the apical margins of the segments narrowly pale testaceous; the scale of the petiole compressed, with its superior margin rounded. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Forks: Trichoptera; forks of veins in apical part of wing, numbered 1, 2, 3, etc. Explanation of Terms Used in Entomology He found that if the similar anucleate "polar lobe" of this form is removed at the two-celled stage, deficient larvæ are formed, in which the post-trochal region and the apical organ are absent. Form and Function A Contribution to the History of Animal Morphology The numbers and particular types of pumps and channels vary between the apical and basilar surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z This from its position is called the “apical cell,” and from it are derived all the tissues of the plant. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen shining black, smooth, and very delicately and sparingly punctured, the apical margins of the segments very thinly fringed with glittering silvery hairs. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The growth of the thallus proceeds by the regular segmentation of a single apical cell. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Sessile forms resting on basal surface or on a portion raised like a stalk; tentacles many; short and knobbed; distributed on apical surface or localized on branched arms Dendrocometidæ h. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Most of the substances transported by a symport mechanism on the apical membrane are transported by facilitated diffusion on the basal membrane. Anatomy and Physiology 2013-06-19T00:00:00Z B, an older embryo freed from the archegonium, × 150. a, the apical cell. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen reddish-yellow, with the apical margins of the segments yellow; the ovipositor black, and shorter than the abdomen. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology In none of the liverworts does the sporogonium develop by means of an apical cell, as is the rule in mosses. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" With distinct apical funnel 4 No apical funnel Genus Phalacroma 4. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Both glucose and Na+ bind simultaneously to the same symport proteins on the apical surface of the cell to be transported in the same direction, toward the interstitial space. Anatomy and Physiology 2013-06-19T00:00:00Z Sooner or later the apical cell ceases to form regular segments and becomes indistinguishable from the other cells. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Thorax: the femora beneath towards their base, the trochanters and coxæ, except their apex, black; the apical joints of the intermediate and posterior tarsi fuscous; wings hyaline, the nervures fusco-ferruginous, the tegulæ reddish-yellow. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology In their germination a short filament of a few cells is usually developed, and the apical cell of the plant is established in the terminal cell. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The two halves of the body are similar, the posterior being somewhat shorter; the anterior half has seven equatorial plates, an oral plate, two lateral apical plates, and one or two dorsal plates. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 In the kidney, most of the CA is located within the cell, but a small amount is bound to the brush border of the membrane on the apical surface of the cell. Anatomy and Physiology 2013-06-19T00:00:00Z D, longitudinal section through the tip of a root, × 150. a, apical cell. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen petiolated, smooth and shining, with a beautiful glossy pile, which is most dense at the sides; the apical segment longitudinally subcarinated in the middle above. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology With few exceptions the stem grows by means of a pyramidal apical cell cutting off three rows of segments. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The anterior half is composed of 3 equatorial and 3 apical plates, the latter being continued into the horn-like process. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 This is enzymatically catalyzed into CO and water, which diffuse across the apical membrane into the cell. Anatomy and Physiology 2013-06-19T00:00:00Z Regular series of segments are cut off in succession from each of the four faces of the apical cell. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen shining, and with a fine silvery sericeous pile; the apical margins of the segments narrowly rufo-piceous; the terminal segment with an elongate, smooth, shining space, which extends to the apex, which is testaceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The first three walls in this cell intersect one another, and define the three-sided pyramidal apical cell by means of which the shoot continues to grow. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The posterior half is composed of 3 equatorial and one apical plate continued into the posterior horn. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The Na+/K+ ATPase pumps in the basal membrane create an electrochemical gradient, allowing reabsorption of Cl– by Na+/Cl– symporters in the apical membrane. Anatomy and Physiology 2013-06-19T00:00:00Z The tissues are developed from a single apical cell, but it is difficult to obtain good sections through it. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen slightly shining; the apical margins of the first, second, and third segments with fascia of silvery pile, which is very brilliant in certain lights. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology In Fissidens and a few other mosses the apical cell is two-sided. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Rotation of the distal phalanx necessitates a descent of its apical portion and there occurs a "dropped sole." Lameness of the Horse Veterinary Practitioners' Series, No. 1 ADH also causes the epithelial cells lining the renal collecting tubules to move water channel proteins called aquaporins from the sides of the cells to the apical surface. Anatomy and Physiology 2013-06-19T00:00:00Z This apical cell has the form of a three-sided pyramid with the base upward. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Rufo-testaceous; the mandibles and anterior margin of the face black, the inner margin of the mandibles rufo-piceous and armed with six short stout teeth, the apical tooth largest. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Their growth proceeds by means of a two-sided apical cell, and the midrib does not become more than one cell thick until later. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The action of the compressor muscles is contemporaneous with the blow inflicted, the venom being injected with considerable violence through the apical outlets of the fangs, and into the bottom of the wound. Scientific American Supplement, No. 421, January 26, 1884 No pain was experienced until two years ago, when a continual soreness occurred at the apical end of the fracture during the winter months. Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man The apices of the stem and leaves, being otherwise protected, develop segments only from the sides of the apical cell, the outer face never having segments cut off from it. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Abdomen ferruginous, with the base of the second and following segments black; the first and three following segments with a yellow fascia on their apical margins; beneath, the two basal segments entirely ferruginous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology In this respect, M. flavo-cinctus resembles more closely the true Orioles, particularly in the yellow fascia which is formed on the wing, when closed by the junction of the apical spots on the quill coverts. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 Sporangia large, ovoid, sessile in a double row along the single vein of the narrow divisions of the fertile leaves, and provided with a complete apical ring. The Fern Lover's Companion A Guide for the Northeastern States and Canada Each point of the ingrowing lines of the échelon has usually one cell further advanced into the corium than its neighbours, and may be termed the apical cell. Diseases of the Horse's Foot The fruit is a small capsule usually opening by an apical lid, and so discharging the spores. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O Abdomen: all the segments with yellowish-white fasciæ on their apical margins, the fasciæ continued beneath; the ovipositor about the length of the abdomen, the valves broadest at their apex. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology It isn't interest in apical cell or primary meristem that makes me fret to return to Prof. Darmstetter! The Bacillus of Beauty A Romance of To-day The base of this apical limb exhibits two connate lobes, forming together a wide cup or ascidium. Species and Varieties, Their Origin by Mutation When abreast of us the range becomes a tall, fissured, and perpendicular wall: this apical comb, bluff to the west, reposes upon a base sloping, at the angle of rest, to the environing sandy Wady. The Land of Midian — Volume 2 It should, however, be stated that the apical angle is not often seized by worms; the margin at a little distance on either side being preferred. The formation of vegetable mould through the action of worms, with observations on their habits Abdomen: the basal segment margined at the sides; the second segment with an oblique deeply impressed line running inwards, not quite meeting or extending to the apical margin. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology STIGMA.—The apical portion of the pistil in flowering plants. The Origin of Species by means of Natural Selection, 6th Edition This apical areola therefore, does not represent a spine-bearing areola, but the closed upper extremity of a tubercle groove. North American Species of Cactus Abdomen shining, the apical margins of the segments broadly fulvo-testaceous, very bright, having a golden lustre. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Lastly, the proportion between the margins of the basal and apical parts is as 3 to 2 for the broad, and 2.5 to 2 for the narrow triangles. The formation of vegetable mould through the action of worms, with observations on their habits Abdomen with a short petiole to the basal segment, which is very short and campanulate; at its posterior margin are two minute, obscure, pale spots; beneath, the margins of the apical segments are rufo-piceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen smooth and shining, with black pubescence beneath; beneath, the apical margins of the segments with a fringe of very short white pubescence. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: a minute spot at the lateral apical margins of the three basal segments, and a large central one on the two apical segments, white. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the base of the segments depressed and very delicately and closely punctured, subopake; the apical half highly polished and shining; beneath obscurely rufo-piceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology In the broader triangles the apical angle is 19 degrees 10 seconds and the basal angles 80 degrees 25 seconds. The formation of vegetable mould through the action of worms, with observations on their habits The abdomen beneath, and the apical margins of the segments above, white. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the basal segment campanulate, the petiole short; a narrow yellow fascia on the apical margin of all the segments. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen with scattered fine punctures; the apical segment densely clothed with black pubescence; beneath, with strong scattered punctures. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen blue, and very smooth and shining, oblong-ovate; the apical segment vertical. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen petiolated; a fascia on the apical margins of all the segments, and the petiole, yellow; the third and following fasciæ narrowest; all the fasciæ continued beneath the abdomen. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen covered with a fine, thin, golden-reflecting pile; the apical margins of the segments rufo-testaceous, the testaceous margin produced in the middle into a triangular shape, most conspicuously so on the segments beneath. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the base honey-yellow, the apical margin of the first segment, and the following segments entirely, pale fuscous; the club of the antennæ 2-jointed. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Black; the apical joints of the flagellum, the anterior legs, the anterior and intermediate tibiæ, and the apical joints of the tarsi pale ferruginous; the extreme base of the anterior tarsi black. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: punctured and with a white fascia on the margins of the three basal segments; the two apical segments with very narrow fasciæ. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the middle of the basal segment, the second and third segments at their base, broadly purple; the apical margin of the third tinged with purple; wings subfuscous, with their base hyaline. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen with a slender subelongate petiole, and with a thin, silky, grey pile; the apical margins of the segments narrowly and obscurely rufo-piceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Thorax: the disk very closely punctured, the metathorax rugose; the sides and the legs with a fine glittering sericeous pile, the wings subhyaline, their apical margins fuscous, the nervures fuscous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen smooth and sinning, covered with a thin silky pile, the apical margins with bright silvery fasciæ, only observable in certain lights. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The apical margin of the first segment of the abdomen rufo-fuscous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the apical margins of the segments with a narrow yellow border, the second and third uniting with a lateral spot; the sixth segment immaculate; the apex pale testaceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: a yellow fascia on the apical margins of the two basal segments; the three following segments with very narrow yellow borders, and the apical segment entirely reddish-yellow. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Differs from the female in having the clypeus entirely yellow, the metathorax and abdomen entirely black; only the apical margin of the petiole is yellow, it is also longer. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen smooth and shining; the apical margins of the intermediate segments slightly depressed, with the sides sericeous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen delicately punctured; the apical margin of the first segment with a narrow yellow border slightly interrupted on each side; the apical segments with a thin cinereous pile. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the apical margin of the second segment with a yellow fascia, the following segments with red fasciæ. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: a yellow fascia on the apical margin of the first and second segments; that on the following segments rufo-testaceous. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The male is similarly clothed to the female, the margins of the segments are deeply depressed, and that of the apical segment slightly notched in the middle. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Black; the head, thorax, and four basal segments of the abdomen covered with ashy pile; the first and second segments with their apical margins naked. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen obscurely chalybeous, closely punctured, the two basal segments strongly so; the apical margins of the segments with smooth shining narrow blue fasciæ. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the petiole and the following segment red, the base of the third also slightly red; the three apical segments obscurely blue, with a thin glittering pile. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the apical margins of the segments, excepting the fourth and fifth, with white fasciæ, the second and third fasciæ attenuated in the middle. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The male is smaller, and has the four apical segments of the abdomen black, the face, cheeks, and apical margins of the segments of the abdomen with silvery pile. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen beautifully prismatic; the first and three following segments with a yellow fascia on their apical margins, the second and two following much attenuated in the middle, or the fourth interrupted. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen conical, extending rather beyond the hind wings; apical tuft small. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Antennæ very short; third joint round; arista apical, long, slender, setiform. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Abdomen: the apical margins of the segments with a little bright silvery pile. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology |
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