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102 results for “body growth”
Data from: Pay up or die: Tradeoffs between costly telomere maintenance, somatic growth, and body condition in embryonic and adult sand lizards
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Exercise training has morph-specific effects on telomere, body condition and growth dynamics in a color-polymorphic lizard
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Figure 3 in A Computational Analysis of Limb and Body Dimensions in Tyrannosaurus rex with Implications for Locomotion, Ontogeny, and Growth
Figure 3. Models: right lateral view. See Figure 2ı but skeleton scans/models are ordered from top to bottom. doi:10.1371/journal.pone.0026037.g003
Figure 5. Muscle mass reconstruction method for M in A Computational Analysis of Limb and Body Dimensions in Tyrannosaurus rex with Implications for Locomotion, Ontogeny, and Growth
Figure 5. Muscle mass reconstruction method for M. caudofemoralis longus (see Methods); Carnegie specimen depicted. Dorsal and right lateral views are shown on topı and in the bottom row are caudal views of the right femur and then caudal vertebrae (8th and 17th). Red shaded volumes are the M. caudofemoralis longus reconstruction. Note a small space for M. caudofemoralis brevis (not reconstructed) is left around the ilium/sacrum and lateral to the CFL insertion. doi:10.1371/journal.pone.0026037.g005
Figure 2 in A Computational Analysis of Limb and Body Dimensions in Tyrannosaurus rex with Implications for Locomotion, Ontogeny, and Growth
Figure 2. Models: cranial view. From left to right for each specimen: 3D scan of skeleton (not shown for Jane due to copyright issues)ı minimal modelı and maximal model. Not to scale. doi:10.1371/journal.pone.0026037.g002
Figure 1 in A Computational Analysis of Limb and Body Dimensions in Tyrannosaurus rex with Implications for Locomotion, Ontogeny, and Growth
Figure 1. Modelling procedureı showing the Carnegie specimen. From left to rightı top to bottom these show the scannedı reconstructedı and straightened skeleton; the skeleton with elliptical hoops that define fleshy boundaries; the air spaces representing pharynxı sinusesı lungs and other airways including air sacs; and the final meshed reconstruction used for mass and COM estimates. doi:10.1371/journal.pone.0026037.g001
Data from: Evolutionary divergence of adult body size and juvenile growth in sympatric subpopulations of a top predator in aquatic ecosystems
Evolutionary theory predicts that different selective regimes may contribute to divergent evolution of body size and growth rate among populations, but most studies have focused on allopatric populations. Here, we studied five sympatric subpopulations of anadromous northern pike (Esox lucius) in the Baltic Sea subjected to allopatric habitats for a short period of their life cycle due to homing behavior. We report differences in adult body size among subpopulations that were in part due to variation in growth rate. Body size of emigrating juveniles also differed among subpopulations, and differences remained when individuals were reared in a common environment, thus indicating evolutionary divergence among subpopulations. Furthermore, a QST-FST comparison indicated that differences had evolved due to divergent selection rather than genetic drift, possibly in response to differences in selective mortality among spawning habitats during the allopatric life stage. Adult and juvenile size were negatively correlated across subpopulations, and reconstruction of growth trajectories of adult fishes suggested that body size differences developed gradually and became accentuated throughout the first years of life. These results represent rare evidence that sympatric subpopulations can evolve differences in key life-history traits despite being subjected to allopatric habitats during only a very short fraction of their life.
Data from: The cost of growing large: sex-specific costs of post-weaning growth on body mass senescence in a wild mammal
Individual body mass often positively correlates with survival and reproductive success, whereas fitness costs of growing large are rarely detected in vertebrates in the wild. Evidence that adult body mass progressively declines with increasing age is accumulating across mammalian populations. Growing fast to a large body can increase the cellular damage accumulated throughout life, leading body growth in early life to be negatively associated with the rate of body mass senescence. Moreover, the onset of mass senescence may strongly depend on both sex-specific reproductive tactics and environmental conditions. Assessing the timing and the rate of body mass decline with increasing age thus offers an opportunity to look for costs of having grown fast, especially after a poor start during early life, in both sexes and in different environments. Using a unique dataset including 30 years of longitudinal data on age-specific body mass collected in two roe deer Capreolus capreolus populations subjected to contrasted environmental conditions, we looked for potential costs of high post-weaning growth rate in terms of steeper rate of body mass senescence. Our analyses of body mass senescence accounted for the potential variation in the onset of senescence and allowed explicit comparisons of this variable between sexes and populations. Higher growth rates late in the growing period (after weaning) were associated with a steeper rate of body mass senescence, regardless of early mass (gained before weaning), but at different extents depending on sex and environmental conditions. Body mass senescence occurred earlier in males than in females, especially in the population facing limiting resources. In the wild, although heavy individuals generally survive better than small ones, the costs of growing large late in the growing period only became apparent late in life through mass senescence.
Data from: Mortality and lamb body mass growth in free-ranging domestic sheep – environmental impacts including lethal and non-lethal impacts of predators
The management and recovery of large predator populations in areas where human persecution has driven them to ecological extinction requires a solid understanding of the effects of both predation and food limitation on prey populations. We used 11 yr of data on reported losses among 17.3 million free-ranging sheep Ovis aries in the Norwegian farming industry to elucidate the relative roles of climate, vegetation characteristics, sheep densities, lamb body mass and densities of predators and alternative prey on the number of lambs and ewes lost on summer pastures. We first examined whether predator densities predicted autumn lamb body mass through possible impacts of predators on body growth (non-lethal effects) but found no evidence for such effects in our study system. This might be due to weak anti-predator behavioral responses in domesticated sheep. However, autumn lamb body mass was predicted by both sheep density and winter and spring weather conditions, probably through food availability. Losses of both lambs and ewes were positively and strongly related to the density of Eurasian lynx Lynx lynx, wolverine Gulo gulo and brown bear Ursus arctos. In addition, food availability and spring weather conditions were associated to losses of lambs, while precipitation in May predicted losses of ewes. There was little evidence for interaction effects of predator species on losses, suggesting that most of the effects of the predators were additive to each other. Given the strong effect of predator densities on sheep losses, we conclude that changing livestock husbandry practices towards a system that actively protects sheep and/or active management of predator densities may be necessary to reduce sheep losses where predators are recolonizing.
Figure 4 in Age, body size and growth pattern of Argenteohyla siemersi pederseni (Anura: Hylidae) in northeastern Argentina
Figure 4. Growth curves for snout–vent length in males and females of Argenteohyla siemersi pederseni. Growth curves were fitted to von Bertalanffy's growth equation: [St – Sm – (Sm – S) e−k(t–t0)].
Figure 2 in Age, body size and growth pattern of Argenteohyla siemersi pederseni (Anura: Hylidae) in northeastern Argentina
Figure 2. Cross-sections of phalanges stained with Ehrlich's haematoxylin of adult male 67.67 mm snout–vent length, from the El Perichón population. Four lines of arrested growth (LAGs) are visible in the periosteal bone (indicated by arrows). The first LAG was partially destroyed by the endosteal resorption (er). This individual was 5 years old. Arrowhead: endosteal resorption, mc: medullar cavity, eb: endosteal bone, pbm: periosteal bone margin.
Assessment of Body Composition in Children Treated With Growth Hormone for the Indication of Isolated Non-acquired Growth Hormone Deficiency.
ClinicalTrials.gov study NCT07333521. IPD Sharing: NO. Countries: 1. Publications: 2.
Growth Parameters & Body Mass Index in Children With Chronic Diseases
ClinicalTrials.gov study NCT05801718. IPD Sharing: UNDECIDED. Countries: 1. Publications: 4.
Effects of Growth Hormone Administration on Muscle Strength and Body Composition in Men Over 50 Years Old
ClinicalTrials.gov study NCT01853566. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Prospective Analysis of Long-Term Clinical Outcomes and 3D Spine Growth in Anterior Vertebral Body Tethering
ClinicalTrials.gov study NCT04914507. IPD Sharing: NO. Countries: 2. Publications: 9.
Substrate Metabolism, Growth Hormone Signaling (GH), and Insulin Sensitivity During GH and Ketone Bodies Infusion
ClinicalTrials.gov study NCT02655263. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of Protein From Complementary Foods on Infant Growth, Body Composition and Gut Health
ClinicalTrials.gov study NCT02142647. IPD Sharing: Not stated. Countries: 1. Publications: 3.
New Infant Formula Trial in Healthy Term Subjects on Growth, Body Composition, Tolerance and Safety
ClinicalTrials.gov study NCT01609634. IPD Sharing: NO. Countries: 1. Publications: 1.
A Trial Investigating the Safety, Tolerability, Availability and Distribution in the Body of Once-weekly Long-acting Growth Hormone (Somapacitan) Compared to Once Daily Norditropin NordiFlex® in Adult
ClinicalTrials.gov study NCT01706783. IPD Sharing: Not stated. Countries: 2. Publications: 4.
Body Composition, Growth, and Maturation of Triathletes
ClinicalTrials.gov study NCT06534567. IPD Sharing: NO. Countries: 1. Publications: 5.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.