搜索结果: 1-15 共查到“理学 Adult”相关记录28条 . 查询时间(0.671 秒)
Perfect timing:Making the 'switch' from juvenile to adult（图）
Perfect timing Making switch juvenile adult
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2019/10/23
Very little is known about how the onset of puberty is controlled in humans, but an NSF-funded discovery of a new gene in the roundworm C. elegans could be the "missing link" that determines the juven...
Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts
BMI adults genetics twins international comparisons
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2018/11/15
Background: Genes and the environment contribute to variation in adult body mass index [BMI (in kg/m2)], but factors modifying these variance components are poorly understood.
Gordon Research Conference on Tissue Niches & Resident Stem Cells in Adult Epithelia
Tissue Niches Resident Stem Cells
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2016/7/29
Adult epithelia regenerate during adult life due to the constant activity of stem cell pools. Stem cells maintain tissue homeostasis and repair injury by close communication with their tissue environm...
A New View of Brain Development:Scientists Uncover Striking Differences Between the Adult and Newborn Mouse Brain
Brain Development Scientists Striking Differences Adult Newborn Mouse Brain
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2016/7/4
Columbia scientists have found that spikes in the activity of neurons in young mice do not spur corresponding boosts in blood flow — a discovery that stands in stark contrast to the adult mouse brain....
Disruptions to embryonic reprogramming alter adult mouse behavior
embryonic reprogramming adult mouse
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2016/2/22
Right after fertilization, embryos at the earliest stages of development tell their genes: "Forget what it was like in the sperm or egg where you came from."
When the process of epigenetic reprogramm...
Genes for age-related cognitive decline found in adult worm neurons (Nature)
Genes age cognitive decline adult worm neurons
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2015/12/22
Researchers from Princeton University have identified genes important for age-related cognitive declines in memory in adult worm neurons, which had not been studied previously. The research, published...
Feeding rates and prey : predator size ratios of the nauplii and adult females of the marine cyclopoid copepod Oithona davisae
predator size Feeding rates and prey
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2014/11/28
We studied the feeding behavior of the nauplii and adult females of the marine cyclopoid copepod Oithona
davisae in the laboratory. Functional response experiments showed that O. davisae can feed on ...
Nitrogen-corrected True Metabolizable Energy and Amino Acid Digestibility of Chinese Corn Distillers Dried Grains with Solubles in Adult Cecectomized Roosters
Nitrogen-corrected True Metabolizable Energy Rooster
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2016/5/11
This study was conducted to evaluate chemical composition, nitrogen-corrected true metabolizable energy (TMEn) and true amino acids digestibility of corn distillers dried grains with solubles (DDGS) p...
Nicotinic α7 acetylcholine receptor-mediated currents are not modulated by the tryptophan metabolite kynurenic acid in adult hippocampal interneurons
Nicotinic α7 acetylcholine tryptophan metabolite kynurenic acid adult hippocampal interneurons Neurons and Cognition
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2012/4/28
The tryptophan metabolite, kynurenic acid (KYNA), is classically known to be an antagonist of ionotropic glutamate receptors. Within the last decade several reports have been published suggesting that...
SIRT1 DEFICIENCY COMPROMISES MOUSE EMBRYONIC STEM CELL DIFFERENTIATION, AND EMBRYONIC AND ADULT HEMATOPOIESIS IN THE MOUSE
Mouse Embryonic Stem Cell Hematopoietic Cell Differentiation
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2015/5/21
SIRT1 (Sirtuin 1) is a founding member of a family of seven proteins and histone deacetylases. It is involved in cellular resistance to stress, metabolism, differentiation, aging, and tumor suppressio...
Applying GreenLab Model to Adult Chinese Pine Trees with Topology Simplification
GreenLab Model Adult Chinese Pine Treesh opology Simplification
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2011/2/21
This paper applied the functional structural model GreenLab to adult Chinese pine trees (pinus
tabulaeformis Carr.).
Does predation control adult sex ratios and longevities in marine pelagic copepods?
predation contro adult sex ratios longevities marine pelagic copepods
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2014/4/16
We assess the causes of adult sex ratio skew in marine pelagic copepods by examining changes in these ratios between the juveniles and adults, sexual differences in juvenile stage durations, and morta...
Adult brain can change within seconds
adult brain MIT neuroscientists referred sensations
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2009/7/28
The human brain can adapt to changing demands even in adulthood, but MIT neuroscientists have now found evidence of it changing with unsuspected speed. Their findings suggest that the brain has a netw...
Riparian forestry management and adult stream insects
microclimate plantation life history riparian vegetation
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2009/3/5
The impacts of coniferous plantation forestry on the biology of upland streams in the UK are firmly established.
Identification of octocoral recruits using microsatellite primers: Relationships between recruitment and adult distribution of Pseudopterogorgia spp.
octocoral recruits microsatellite primers
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2014/4/21
Octocorals are commonly identified from the structure of their calcium carbonate sclerites. However, small
recruits cannot always be identified in this manner. Primers for microsatellite loci develop...