Výsledky vyhledávání - "Robert L. Cieri"

Modular lung ventilation in Boa constrictor

Autor: John G. Capano, Scott M. Boback, Hannah I. Weller, Robert L. Cieri, Charles F. Zwemer, Elizabeth L. Brainerd

Publikováno v: Journal of Experimental Biology. 225

The evolution of constriction and of large prey ingestion within snakes are key innovations that may explain the remarkable diversity, distribution and ecological scope of this clade, relative to other elongate vertebrates. However, these behaviors m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c67a47a2530b7fca2fd93225f1755597
https://doi.org/10.1242/jeb.243119

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Scaling of fibre area and fibre glycogen concentration in the hindlimb musculature of monitor lizards: implications for locomotor performance with increasing body size

Autor: Robert L. Cieri, Taylor J. M. Dick, Jeremy S. Morris, Christofer J. Clemente

Publikováno v: Journal of Experimental Biology. 225

A considerable biomechanical challenge faces larger terrestrial animals as the demands of body support scale with body mass (Mb), while muscle force capacity is proportional to muscle cross-sectional area, which scales with Mb2/3. How muscles adjust

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93172d93fafe37b3b8736a252c17e7a8
https://doi.org/10.1242/jeb.243380

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Computational Fluid Dynamics Reveals a Unique Net Unidirectional Pattern of Pulmonary Airflow in the Savannah Monitor Lizard ( Varanus exanthematicus )

Autor: Colleen G. Farmer, Robert L. Cieri

Publikováno v: The Anatomical Record. 303:1768-1791

This report models pulmonary airflow in the savannah monitor (Varanus exanthematicus) using computational fluid dynamics simulations, which are based on computed tomography data. Simulations were validated by visualizing the flow of aerosolized lipid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::842438c986b4ba7c6ac20ad0270ba463
https://doi.org/10.1002/ar.24293

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Osteology of the Late Triassic Bipedal ArchosaurPoposaurus gracilis(Archosauria: Pseudosuchia) from Western North America

Autor: Kent Sanders, Adam K. Huttenlocker, Sterling J. Nesbitt, Randall B. Irmis, Robert L. Cieri, Emma R. Schachner

Publikováno v: The Anatomical Record. 303:874-917

Poposaurus gracilis is a bipedal pseudosuchian archosaur that has been poorly understood since the discovery of the holotype fragmentary partial postcranial skeleton in 1915. Poposaurus. gracilis is a member of Poposauroidea, an unusually morphologic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a87928a1bdd70bab626ada8a2b67c076
https://doi.org/10.1002/ar.24298

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Pulmonary Smooth Muscle in Vertebrates: A Comparative Review of Structure and Function

Autor: Robert L. Cieri

Publikováno v: Integrative and Comparative Biology. 59:10-28

Although the airways of vertebrates are diverse in shape, complexity, and function, they all contain visceral smooth muscle. The morphology, function, and innervation of this tissue in airways is reviewed in actinopterygians, lungfish, amphibians, no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::428edf7f030f453b93f292d18f6ad040
https://doi.org/10.1093/icb/icz002

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Tail Base Deflection but not Tail Curvature Varies with Speed in Lizards: Results from an Automated Tracking Analysis Pipeline

Autor: Johanna T. Schultz, Christofer J. Clemente, Rishab Pilai, Fabian Plum, Tasmin Proost, Robert L. Cieri, Mitchell J. Hodgson

Publikováno v: Integrative and comparative biology. 61(5)

Tail movement is an important component of vertebrate locomotion and likely contributes to dynamic stability during steady-state locomotion. Previous results suggest that the tail plays a significant role in lizard locomotion, but little data are ava

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cd889ef6d1d1bd66568a6b4cb8c943c
https://pubmed.ncbi.nlm.nih.gov/34009307

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The scaling of ground reaction forces and duty factor in monitor lizards: implications for locomotion in sprawling tetrapods

Autor: Robert Irwin, Taylor J. M. Dick, Robert L. Cieri, Christofer J. Clemente, Daniel Rumsey

Publikováno v: Biol Lett

Geometric scaling predicts a major challenge for legged, terrestrial locomotion. Locomotor support requirements scale identically with body mass ( α M 1 ), while force-generation capacity should scale α M 2/3 as it depends on muscle cross-sectional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f252c0cf48355f4dcce656b3455883a8
https://doi.org/10.1098/rsbl.2020.0612

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Monitoring muscle over three orders of magnitude: Widespread positive allometry among locomotor and body support musculature in the pectoral girdle of varanid lizards (Varanidae)

Autor: Robert L. Cieri, Christofer J. Clemente, Taylor J. M. Dick

Publikováno v: J Anat

There is a functional trade‐off in the design of skeletal muscle. Muscle strength depends on the number of muscle fibers in parallel, while shortening velocity and operational distance depend on fascicle length, leading to a trade‐off between the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c43f331c1ab7201c32ac59d92c82fa97
https://pubmed.ncbi.nlm.nih.gov/32710503

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