| 单词 | dentate |
| 例句 | Results showed that those drinking the high-flavanol mix exhibited improvements on memory tests and higher activity in the dentate gyrus, a part of the hippocampus linked with memory. One Good Reason to Eat Chocolate Today 2015-01-02T05:00:00Z I crossed dentate monsters off my list of possibilities, as well as serial killers, which are so overused that the forum recently banned stories based on them. Perspective | Inside the horror website that’s freaking out millions of people 2019-10-30T04:00:00Z Most lost are dentate gyrus neuroblasts, which are essential for creating neurons in the hippocampus, a region linked to memory and diseases like Alzheimer's. New method tracks how brain cells age 2023-10-26T04:00:00Z The mice that spent time running and playing showed evidence of neurogenesis in an area of the brain called the dentate gyrus of the hippocampus. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z Specifically, the "dentate gyrus" — the part of the brain that's responsible for forming memories, and critical in learning — decreased by 7 percent. Is the pandemic making our social skills decay? Psychologists think so 2021-02-05T05:00:00Z The authors found no evidence that neural progenitor cells from the dentate gyrus exited the brain. Nerve cells from the brain invade prostate tumours 2019-05-14T04:00:00Z The new cells were born in the part of the brain called the dentate gyrus. Humans can make new brain cells into their 90s, scientists discover 2019-03-25T04:00:00Z The team found levels of these “mother cells” dropped with age in the front and middle region of the dentate gyrus. Humans produce new brain cells throughout their lives, say researchers 2018-04-05T04:00:00Z They found streams of all three cell types migrating from an embryonic ‘germinal zone’ to the developing dentate gyrus at 14 weeks of gestation. Questioning human neurogenesis 2018-03-06T05:00:00Z From the cells' ages, the group calculated that every day, humans replace 700 of their neurons in the dentate gyrus, a sliver of hippocampus thought to encode memories. Study questions whether adults can really make new neurons 2018-03-07T05:00:00Z And they report that there was a selective breach in the blood–brain barrier around the region of the subventricular zone, but that no such breach was associated with the dentate gyrus. Nerve cells from the brain invade prostate tumours 2019-05-14T04:00:00Z It suggests that in middle age about 300 fewer neurons per cubic millimetre are made in the dentate gyrus with each advancing year. Humans can make new brain cells into their 90s, scientists discover 2019-03-25T04:00:00Z However, there was a drop in the front of the dentate gyrus in the number of cells producing substances linked to neuroplasticity – the ability for the brain to change or “rewire”. Humans produce new brain cells throughout their lives, say researchers 2018-04-05T04:00:00Z By 22 weeks, migration was reduced, and immature neurons were largely restricted to the dentate gyrus. Questioning human neurogenesis 2018-03-06T05:00:00Z This decrease was specific to the dentate gyrus; it did not change in the entorhinal cortex. How Exercise Improves Brain Function 2016-05-06T04:00:00Z As they report in Nature, the researchers prepared seven-month-old Alzheimer’s mice by injecting a harmless virus into the rodents’ dentate gyrus, a part of the hippocampus that helps to store fearful memories. Total recall 2016-03-16T04:00:00Z In the dentate nucleus variably intense synaptic prion protein immunoreactivity was present, while the cyto-architecture of the nucleus was well preserved. Evidence for human transmission of amyloid-[bgr] pathology and cerebral amyloid angiopathy : Nature : Nature Publishing Group 2015-09-08T04:00:00Z This change in the dentate gyrus suggests there was a problem in development at some point late in the life of the fetus or in the months after birth, Kinney said. Brain Abnormality Spotted in Many SIDS Babies 2014-11-25T05:00:00Z Within the infants with SIDS, the researchers found an abnormality in a part of the hippocampus called the dentate gyrus. Study: Brain Abnormalities Found in 40% of SIDS Cases 2014-11-24T05:00:00Z Small found that a different site, the dentate gyrus, seems to be initially involved in age-related memory loss. How Exercise Improves Brain Function 2016-05-06T04:00:00Z But Dr Tonegawa’s team found that stimulating neurons in the dentate gyrus other than those directly involved with holding the fear memory prevented Alzheimer’s mice from remembering their shocks in the long term. Total recall 2016-03-16T04:00:00Z The dentate gyrus becomes notably less active and less effective with normal aging. Chocolate compound restores age-related memory loss 2014-10-29T04:00:00Z The team was particularly interested in an area of the brain called the dentate gyrus, part of the hippocampus, and known to be affected in normal age-related memory loss, but not in Alzheimer’s disease. Compound In Cocoa May Reverse Age-Related Memory Loss 2014-10-27T04:00:00Z Specifically, at some parts of the dentate gyrus, it contained a double layer of nerve cells instead of the typical single layer. Study: Brain Abnormalities Found in 40% of SIDS Cases 2014-11-24T05:00:00Z This raised the question: Are there any molecular defects specific to the human dentate gyrus and not to the entorhinal cortex that are associated with age-related memory loss? How Exercise Improves Brain Function 2016-05-06T04:00:00Z Small and his colleagues zeroed in on a structure called the dentate gyrus, located in the hippocampus, a brain region that plays a major role in memory. Cocoa May Help With Memory Loss 2014-10-27T04:00:00Z The study was designed also to test whether aerobic exercise, either alone or in combination with flavanols, improved memory performance and blood flow to the dentate gyrus in these older subjects. Chocolate compound restores age-related memory loss 2014-10-29T04:00:00Z This type of memory is known to be modulated by the dentate gyrus region. Special Cocoa Drink May Improve Age-Related Memory Loss 2014-10-26T04:00:00Z The neurons associated with this emotional context were located in the dentate gyrus, researchers found. Scientists 'Rewrite' Bad Memories in Mice 2014-08-27T04:00:00Z They used affymetrix gene chips to help analyze changes of expression in 23,000 genes in the dentate gyrus of people 38 to 90. How Exercise Improves Brain Function 2016-05-06T04:00:00Z People in the high-flavanol group showed much greater blood volume in the dentate gyrus — a measure of brain connectivity and processing ability. Cocoa May Help With Memory Loss 2014-10-27T04:00:00Z But dentate gating seems to break down in temporal-lobe epilepsies affecting the hippocampus, resulting in unrestrained, synchronized firing of granule cells. Neurobiology: Unrestrained excitement : Nature : Nature Publishing Group 2014-07-08T04:00:00Z One area where the cells crop up is the dentate gyrus, which helps to record memories in a way that distinguishes them as unique and thus prevents them from blurring one into the next. Fresh-Made Neurons May Help Sort New Memories from Old Ones [Audio] 2014-06-28T04:00:00Z They focused on two parts of the brain -- the amygdala, which processes emotion, and the dentate gyrus of the hippocampus, where much of a memory's context and detail are stored. Scientists 'Rewrite' Bad Memories in Mice 2014-08-27T04:00:00Z They found 19 changes that were specific to the dentate gyrus and not to the entorhinal cortex. How Exercise Improves Brain Function 2016-05-06T04:00:00Z Throughout life, new neurons are continuously added to the dentate gyrus. [Research Article] Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy 2014-05-08T18:26:22.754Z It receives incoming data from the entorhinal cortex, which relays perceptual information to a class of excitatory neurons — granule cells — in a part of the hippocampus called the dentate gyrus. Neurobiology: Unrestrained excitement : Nature : Nature Publishing Group 2014-07-08T04:00:00Z The investigators looked for changes in gene activity that corresponded with signs of aging in the dentate gyrus but not in the surrounding tissue. Researchers Discover Potential Clue behind Age-Related Memory Decline 2013-08-30T17:15:00.697Z Once again, the amount of RbAp48 protein declined with age in the dentate gyrus. Scientists discover key to normal memory lapses in seniors 2013-08-28T18:24:48Z It decreased linearly in the dentate gyrus over the life span. How Exercise Improves Brain Function 2016-05-06T04:00:00Z Memory is largely in the hippocampus, Tonegawa said, in a section called the dentate gyrus. Scientists Plant False Memories in Mice and Mice Buy It 2013-07-26T14:45:00.683Z “We're developing a 'domino theory' of epilepsy, where a transient failure of dentate function may disrupt downstream regulatory functions and give you a secondary failure of downstream circuits,” says Coulter. Neurobiology: Unrestrained excitement : Nature : Nature Publishing Group 2014-07-08T04:00:00Z There may also be potential to develop pharmaceutical or nutraceutical solutions that would boost production of RbAp48 in the dentate gyrus. Researchers Discover Potential Clue behind Age-Related Memory Decline 2013-08-30T17:15:00.697Z They next confirmed that RbAp48 protein was also less abundant in the dentate gyrus of old mice compared to young ones. Scientists discover key to normal memory lapses in seniors 2013-08-28T18:24:48Z The part of the brain in which the memories formed is an area of the hippocampus called the dentate gyrus, which is similar in mice and humans. How to Make Memories of Things That Never Were 2013-07-25T18:04:35Z For the first 5 years, Spalding worked on finding an effective way of separating the roughly 20 million neurons in the dentate gyrus from other types of hippocampal cells and then extracting their DNA. Atomic Bombs Help Solve Brain Mystery 2013-06-06T19:55:00Z To their surprise, they discovered that being raised in either of the two-parent situations boosted nerve growth in the dentate gyrus, but especially for the male mice. How Single or Dual Parenting Affects Early Brain Development 2013-05-02T11:05:22Z The researchers found that older mice also experienced a corresponding decrease in RbAp48 protein in the dentate gyrus. Researchers Discover Potential Clue behind Age-Related Memory Decline 2013-08-30T17:15:00.697Z But in humans, CALB1 is expressed only in the dentate gyrus, pointing to a potential difference between the brains of these other mammals and ours. Five Surprises From Billionaire Paul Allen's Mind Map 2012-09-19T17:46:45Z Involucre double, the inner shorter, of 2 or more dentate and deeply cleft leaves. 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 Leaves.—Alternate; broadly ovate to linear; dentate; an inch or more long. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z Because the dentate gyrus involves learning, the male mice raised by two parents were also more likely to freeze when conditioned with contextual cues to recognize a threat. How Single or Dual Parenting Affects Early Brain Development 2013-05-02T11:05:22Z But by testing the impact of, say, mental exercise on how well the dentate gyrus functions, researchers may be able to pin down more precisely what works and what does not. Researchers Discover Potential Clue behind Age-Related Memory Decline 2013-08-30T17:15:00.697Z Bill somewhat finch-like but more swollen in outline; the upper mandible, in typical forms, toothed or dentate. Color Key to North American Birds with bibiographical appendix 2011-11-15T03:00:21.677Z Antheridia immersed in the thallus, covered with dentate scales. 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 Leaflets.—Seven to nine; glossy; ovate to oblong-lanceolate; one and one half to four inches long; acuminate; sinuately dentate, with numerous spinose teeth; the lowest pair distant from the stem. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z We may have, however, great difficulty in recalling the difference between serrate and dentate, ovoid and obovoid, in the shapes and edges of leaves, or between acids in ic and in ous. How We Think 2011-09-16T02:00:18.973Z The brain activity in each young person’s dentate gyrus responded accordingly. Well: A Memory Tonic for the Aging Brain 2011-05-25T04:01:37Z Toes two in front, two behind; bill, short; upper mandible decurved and dentate; tail square; plumage, soft, loose, and generally shining green above. Color Key to North American Birds with bibiographical appendix 2011-11-15T03:00:21.677Z Scape 1–2° high; leaves linear to lanceolate, entire to dentate or laciniate; head often pubescent or villous; achene long-beaked.—Minn. to Neb. and southwestward. 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 Walls of tracheids of pith ray smooth, without dentate projections. a. Wood and Forest 2011-03-01T03:00:42.647Z Linear, lanceolate, oval, or oblong, serrated, dentate, or crenate leaves, are expressions forming part of the terminology of botany, while the names "Viola odorata," and "Ulex Europ�us," belong to its nomenclature. A System of Logic: Ratiocinative and Inductive 7th Edition, Vol. II 2011-03-01T03:00:40.557Z Their dentate gyri typically showed far less activity when they were shown a similar but not identical image. Well: A Memory Tonic for the Aging Brain 2011-05-25T04:01:37Z All of the binging rats experienced cell death in portions of their brains outside the dentate gyrus, and most of those were not reduced by exercise. Well: Does Exercising Make You Drink More Alcohol? 2011-01-05T05:01:21Z The hippocampal gyrus is bounded above by the dentate or hippocampal fissure which causes the hippocampus major in the descending cornu and so is a complete fissure. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" The jaws of the first pair of mandibles are stout and bi-segmented, with a dentate cutting edge. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" Valves entire or finely dentate, but without sharp slender teeth — 6. 6a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Messages did not flow as easily from elsewhere in the brain to the dentate gyrus memory center, and vice versa. Well: A Memory Tonic for the Aging Brain 2011-05-25T04:01:37Z The Father was quite relaxed: he prepared the stoves, the stills, and carefully selected the herbs, fine, grey, dentate, the very scented essence of Provencal sunshine…. Letters from my Windmill Leaves large, round, thick, smooth, leathery with coarsely dentate margin. Manual of American Grape-Growing The pores are small, unequal, long, flexuous, dentate, lacerate. The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth Lobes of the leaf dentate or incised Mallow, Malva alcea. 10b. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Linear, lanceolate, oval, or oblong, serrated, dentate, or crenate leaves, are expressions forming part of the terminology of botany, while the names “Viola odorata,” and “Ulex Europæus,” belong to its nomenclature. A System Of Logic, Ratiocinative And Inductive A lion tamer, who was also a mesmerist, took into his cages a young lady whom he had mesmerized, and made his dentate pets jump over her on the floor. Buchanan's Journal of Man, January 1888 Volume 1, Number 12 As in most plants, the margins of the leaves, whether serrate, dentate or crenate, are often distinguishing characters. Manual of American Grape-Growing The dorsal umbo, the articulate seed-wing, the persistent fascicle-sheath, the dorsal and ventral stomata of the leaf and its serrate margins, the dentate walls of the ray-tracheids have become fixed and constant. The Genus Pinus Botanical Description.—A shrub with leaves alternate, oval, serrate, finely dentate with very short and stiff hairs. The Medicinal Plants of the Philippines The terraced patterns are replaced by dentate margins in this figure, and there is a successful use of most of the rectangular and triangular designs. Archeological Expedition to Arizona in 1895 Seventeenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1895-1896, Government Printing Office, Washington, 1898, pages 519-744 In the normal mouth from eight to twenty years of age the teeth present from twenty to thirty square inches of dentate surface, constantly exposed to ever-changing, often inimical, conditions. Civics and Health The leaves are very large, pedate, dentate, and distinctly veined. Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies. Walls of the tracheids of the medullary rays dentate. The Genus Pinus Nectary bell-shaped, of 5 parts, each 3-toothed; set on a column; at its base a wavy fringe with dentate edge. The Medicinal Plants of the Philippines In figure 351 there are two designs separated by an inclined break the edge of which is dentate. Archeological Expedition to Arizona in 1895 Seventeenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1895-1896, Government Printing Office, Washington, 1898, pages 519-744 Olla with zigzag band around the neck and four dentate bands around the body. 660-665. Illustrated Catalogue of the Collections Obtained from the Indians of New Mexico in 1880 Second Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1880-81, Government Printing Office, Washington, 1883, pages 429-466 The colouring was in keeping with the alabaster retables, the black marble tombs, the pinnacled tabernacles with their crockets of curled and dentate foliage. The Cathedral These two are the only American Pines combining large pits with dentate tracheids, and are the only American Hard Pines with external resin-ducts of the leaf. The Genus Pinus Corolla, 5 free petals slightly dentate at the point. The Medicinal Plants of the Philippines The central part is composed of seven parallel lines, the marginal of which, on two opposite sides, is minutely dentate. Archeological Expedition to Arizona in 1895 Seventeenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1895-1896, Government Printing Office, Washington, 1898, pages 519-744 Cells cup-shaped, long, slightly contracted at bottom; mouth circular; margin sub-expanded, dentate, with three nearly equal upright teeth on each side, and a long, round pointed central tooth in front. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 When they point outward like the spines of a holly leaf they are 'dentate-'toothed. Ethel Morton's Enterprise Another Chinese variety, called the Honey-peach, is remarkable from the fruit terminating in a long sharp point; its leaves are glandless and widely dentate. The Variation of Animals and Plants under Domestication — Volume 1 Botanical Description.—A tree, 30–40° high, with leaves alternate, compound, odd-pinnate; leaflets opposite, ovate, pointed, dentate. The Medicinal Plants of the Philippines Pistillate axillary, calyx adherent, 5 pointed sepals; corolla, 5 nearly triangular petals, finely dentate; style thick, short, the base encircled by 3 glandules; stigma cordate. The Medicinal Plants of the Philippines Cell cup-shaped, rounded, mouth at an angle of 45 degrees; margin dentate, with two lateral teeth of equal size and a central one in front longer, all acute; entire posteriorly. Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 Botanical Description.—Plant herbaceous with reniform or heart-shaped leaves, forming a sort of funnel, dotted with little hairs, dentate with white tips. The Medicinal Plants of the Philippines Botanical Description.—A tree 20–30 meters high, leaves alternate, persistent, petiolate, no stipules, oblong, dentate, acuminate, pinnately nerved. The Medicinal Plants of the Philippines |
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