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342 results for “ingestion”
Effects of ingesting large prey on the kinematics of rectilinear locomotion in Boa constrictor
<p>Large and stout snakes commonly consume large prey and use rectilinear crawling, yet, whether body wall distention after feeding impairs rectilinear locomotion is poorly understood. After eating large prey (30-37% body mass), all <em>Boa constrictor</em> tested could perform rectilinear locomotion in the region with the food bolus despite a greatly increased distance between the ribs and the ventral skin that likely lengthens muscles relevant to propulsion. Unexpectedly, out of eleven kinematic variables, only two changed significantly (P<0.05) after feeding: cyclic changes in snake height increased by more than 1.5x and the longitudinal movements of ventral skin relative to the skeleton decreased by more than 25%. Additionally, cyclic changes in snake width suggest that the ribs are active and mobile during rectilinear locomotion particularly in fed snakes, but also in unfed snakes. These kinematic changes suggest that rectilinear actuators reorient more vertically and undergo smaller longitudinal excursions following large prey ingestion, both of which likely act to reduce elongation of these muscles that may otherwise experience substantial strain.</p>
Limnomysis benedeni ingestion rate in different prey
<p>Understanding the diet preferences and food selection of invasive species is crucial to better predict their impact on community structure and ecosystem functioning. <em>Limnomysis benedeni</em>, a Ponto-Caspian invasive mysid shrimp, is one of the most successful invaders in numerous European river and lake ecosystems. While existing studies suggest potentially strong trophic impact due to high predation pressure on native plankton communities, little is known of its food selectivity between phyto- and zooplankton, under different food concentrations. Here, we therefore investigated the feeding selectivity of <em>L</em>. <em>benedeni</em> on two commonly occurring prey organisms in freshwaters, the small rotifer zooplankton <em>Brachionus calyciflorus</em> together with the microphytoplankton <em>Cryptomonas</em> sp. present in increasing densities. Our results demonstrated a clear shift in food selection, with <em>L. benedeni</em> switching from <em>B. calyciflorus</em> to <em>Cryptomonas</em> sp. already when the two prey species were provided in equal biomasses. Different functional responses were observed for the two food types, indicating somewhat different foraging mechanisms for each food type. These findings provide experimental evidence on the feeding flexibility of invasive mysid shrimps and potential implications for trophic interactions in invaded ecosystems.</p>
GLP-1 Increases pre-ingestive satiation via hypothalamic circuits in mice and humans
<p>GLP-1 receptor agonists (GLP-1RAs) are effective anti-obesity drugs. However, the precise central mechanisms of GLP-1RAs remain elusive. We administered GLP-1RAs to obese patients and observed heightened sense of pre-ingestive satiation. Analysis of human and mouse brain samples pinpointed GLP-1R neurons in the dorsomedial hypothalamus (DMH) as candidates for encoding pre-ingestive satiation. Optogenetic manipulation of DMH<sup>GLP-1R</sup> neurons caused satiation. Calcium imaging demonstrated that these neurons are actively involved in encoding pre-ingestive satiation. GLP-1RA administration increased the activity of DMH<sup>GLP-1R</sup> neurons selectively during eating behavior. We further identified an intricate interplay between DMH<sup>GLP-1R</sup> neurons and arcuate NPY/AgRP neurons (ARC<sup>NPY/AgRP</sup>), to regulate food intake. Our findings reveal a hypothalamic mechanism through which GLP-1RAs control pre-ingestive satiation, offering novel neural targets for obesity and metabolic diseases.</p>
3D hydrodynamic simulations of C ingestion into a convective O shell: Animated visualisations
<p>Animated visualisations of the 3D simulations presented by Andrassy et al. (2019), arXiv:1808.04014.</p>
Archiveteam Ingest Rate
A Jupyter notebook that explores the ingest rate for ArchiveTeam collections at the Internet Archive
Interaction Between Cannabidiol, Meal Ingestion, and Liver Function
ClinicalTrials.gov study NCT04971837. IPD Sharing: NO. Countries: 1. Publications: 1.
Efficacy of a Controlled Short-term Trial of Cannabidiol (CBD) Ingestion on Reducing Symptomatic Response and Facilitating Recovery After Induced Muscle Injury
ClinicalTrials.gov study NCT04586712. IPD Sharing: NO. Countries: 1. Publications: 0.
Employment-based Reinforcement of Naltrexone Ingestion and Abstinence
ClinicalTrials.gov study NCT00149669. IPD Sharing: NO. Countries: 1. Publications: 2.
Effects of Dipeptidyl Peptidase-4 (DPP-4) Inhibition on Hormonal Responses to Macronutrient Ingestion
ClinicalTrials.gov study NCT00885638. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Event Marker Ingested To Trigger Event Recorder 3.0 Psychiatry Study
ClinicalTrials.gov study NCT01804257. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of Dietary Nitrate Ingestion in Heart Failure
ClinicalTrials.gov study NCT03511248. IPD Sharing: NO. Countries: 1. Publications: 5.
Antibiotic Efficacy in Pneumonitis Following Paraffin (Kerosene) Ingestion in Children
ClinicalTrials.gov study NCT01253980. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Substudy 'B' of the Accuracy of Ingestible Event Marker (IEM) Detection by the Medical Information Device #1 (MIND1)
ClinicalTrials.gov study NCT02404532. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Development of Ingestible Biosensors to Enhance PrEP Adherence in Substance Users (PrEPSteps)
ClinicalTrials.gov study NCT03512418. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Substudy of the Accuracy of Ingestible Event Marker (IEM) Detection by the Medical Information Device #1 (MIND1)
ClinicalTrials.gov study NCT02091882. IPD Sharing: YES. Countries: 1. Publications: 3.
Measuring and Monitoring Adherence to ART With Pill Ingestible Sensor System
ClinicalTrials.gov study NCT02797262. IPD Sharing: YES. Countries: 1. Publications: 1.
Significant changes in bacterial communities associated with Pocillopora ingestion by CoTS: an important factor affecting the coral’s health state
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Data from: Patterns, dynamics and consequences of microplastic ingestion by the temperate coral, Astrangia poculata
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Data for the paper "Experimental evolution of post-ingestive nutritional compensation in response to a nutrient-poor diet"
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Effects of ingesting large prey on the kinematics of rectilinear locomotion in Boa constrictor
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Allen Brain Atlas
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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
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