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单词 invaginate
例句 invaginate
Each lung is surrounded by an invaginated sac. Biology for AP Courses 2022-06-09T00:00:00Z
The embryo of a moth, a dragon-fly or a bug is invaginated into the yolk at the head end, the portion of the blastoderm necessarily pushed in with it forming the amnion. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z
Further cell-divisions occur, and the invagination becomes deeper, until the invaginating wall nearly touches the wall which has retained its primitive position. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z
The dead outer layer or ectocyst lines part of the portion thus invaginated and forms the walls of a cavity within the orifice. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z
The function of this pouch is to form the spermatophore, which is an elastic tube formed of structureless secretion and invaginated into itself. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics"
The invaginated section, with the pathogen inside, then pinches itself off from the plasma membrane and becomes a vesicle. Biology for AP Courses 2022-06-09T00:00:00Z
Heymons believes that the “dorsal organ” in the embryos of the lower Arthropoda corresponds with the region invaginated to form the serosa of the hexapod embryo. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z
Certain cells do not become invaginated into the segmentation cavity because they possess groups of determinants that impel them to the assumption of inner layer characters. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z
The diaphragm, however, does not constitute the limit of the invaginated portion of the zoœcium, for the living inner wall or endocyst is dragged in still further and forms a sheath round the retracted tentacles. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z
Post-mortem appearance.—At death the bowels are found to be misplaced or obstructed, as mentioned above, and inflamed, the inflammation always originating at the point where the intestine has been invaginated, twisted, or knotted. Special Report on Diseases of Cattle
Signoroni modified this by fixing the invaginated skin by a piece of female catheter, retained in its place by transfixion by three harelip needles, tied by twisted sutures. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners
Unless the invaginated portion of the gut becomes strangulated, probably no symptoms except constipation will be appreciable. Special Report on Diseases of the Horse
This invaginated layer of cells, brought into a new position with regard to its environment, becomes the endoderm and receives the stimulus to assume the character appropriate to the new environment. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z
Such a gastrula, formed mainly by overgrowth of the epiblast, is called an epibolic gastrula, as distinguished from the invaginate gastrula of amphioxus. Text Book of Biology, Part 1: Vertebrata
This lower hemisphere flattens and then thrusts itself, or is invaginated, into the upper hemisphere of smaller cells and forms its lining. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895
The principle is to plug up the passage by the mechanical presence of the invaginated skin, the plug being retained in position by adhesive inflammation between it and the edges of the dilated ring. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners
In some rare instances he recovers, even though the invaginated portion of the gut has become strangulated. Special Report on Diseases of the Horse
B, A section through the same; a, the invaginated proboscis; b, proboscis sheath; c, beginning of the neck; d, lemniscus. The Project Gutenberg Encyclopedia Volume 1 of 28
The scale is flat and is a fold of the epidermis not arising from an invaginated follicle. Hormones and Heredity
This cavity is the primitive alimentary cavity or archenteron; the inner or invaginated layer is the hypoblast; the outer the epiblast; and the embryo, in this stage, is termed a gastrula. Darwiniana : Essays — Volume 02
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