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Juvenile Atlantic sturgeon survival and movement in proximity to an active cutterhead suction dredge.
PLoS One
November 2024
Clarke Environmental Consulting, Nellysford, VA, United States of America.
The Atlantic Sturgeon Acipenser oxyrinchus oxyrinchus has suffered population declines throughout its range. Many knowledge gaps exist regarding how to mitigate threats and better inform recovery efforts. This study examined survival of juveniles during their movements through river reaches undergoing channel maintenance dredging operations.
View Article and Find Full Text PDFAxial muscle-fibre orientations in larval zebrafish.
J Anat
November 2024
Experimental Zoology Group, Wageningen University, Wageningen, The Netherlands.
Most teleost fish propel themselves with lateral body waves powered by their axial muscles. These muscles also power suction feeding through rapid expansion of the mouth cavity. They consist of muscle segments (myomeres), separated by connective tissue sheets (myosepts).
View Article and Find Full Text PDFDysfunctional suction dynamics in newborns with ankyloglossia.
Codas
November 2024
Laboratório de Prototipagem Assistiva, Programa de Pós-graduação em Neurociências e Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará - UFPA - Belém (PA), Brasil.
Purpose: Compare infant suction in babies with and without ankyloglossia using a microprocessor-controlled pressure sensor coupled to a pacifier.
Methods: Fifty-five infants from 0 to 2 months of age underwent clinical examination for ankyloglossia, after which they were offered a silicone pacifier connected to the pressure acquisitiondevice and suction activity was recorded. Thus, we extracted the frequency of sucks within a burst, the average suck duration, the burst duration, the number of sucks per burst, the maximum amplitude of sucks per burst and the inter-burst interval.
Complexity and weak integration promote the diversity of reef fish oral jaws.
Commun Biol
November 2024
Department of Evolution & Ecology, University of California, Davis, CA, USA.
Major trade-offs often manifest as axes of diversity in organismal functional systems. Overarching trade-offs may result in high trait integration and restrict the trajectory of diversification to be along a single axis. Here, we explore the diversification of the feeding mechanism in coral reef fishes to establish the role of trade-offs and complexity in a spectacular ecological radiation.
View Article and Find Full Text PDFA Ducted, Biomimetic Nipple Improves Aspects of Infant Feeding Physiology and Performance in an Animal Model.
Dysphagia
November 2024
Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, OH, USA.
Breastfeeding is widely regarded as the optimal form of feeding infants, as it provides both nutritional and physiological benefits. For example, breastfed infants generate greater intraoral suction and have higher amplitude muscle activities compared to bottle-fed infants, with downstream implications for motor function, development, and health. One mechanism that might explain these physiological differences is the structure of the nipple an infant is feeding on.
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