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Keywords: pressure
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Journal Articles
J Exp Biol (2021) 224 (21): jeb242800.
Published: 5 November 2021
...Jacob R. Winnikoff; Steven H. D. Haddock; Itay Budin ABSTRACT Animals are known to regulate the composition of their cell membranes to maintain key biophysical properties in response to changes in temperature. For deep-sea marine organisms, high hydrostatic pressure represents an additional, yet...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (1): jeb213843.
Published: 7 January 2020
... transmission; and (3) systematically changed the inter-muscular pressure by performing experiments at different activation/force levels, thereby exploring the possible role of inter-muscular pressure in the loss of torque capacity with simultaneous muscle activation. Experiments were performed in a New Zealand...
Journal Articles
J Exp Biol (2017) 220 (6): 1154–1161.
Published: 15 March 2017
... predators on other constrictors remain unknown. To begin addressing these mechanisms, we studied the scaling of muscle cross-sectional area, pulling force and constriction pressure across the ontogeny of six species of snakes ( Lampropeltis californiae , L. getula , L. holbrooki , Pantherophis...
Journal Articles
J Exp Biol (2016) 219 (13): 2048–2059.
Published: 1 July 2016
...Christopher P. Kenaley; George V. Lauder ABSTRACT The vast majority of ray-finned fishes capture prey through suction feeding. The basis of this behavior is the generation of subambient pressure through rapid expansion of a highly kinetic skull. Over the last four decades, results from in vivo...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (12): 2001–2008.
Published: 15 June 2010
... behavior in four species of pipids, Pipa pipa, Xenopus laevis, Hymenochirus boettgeri and Pseudhymenochirus merlini . Pressure in the buccopharyngeal cavity was measured during prey capture. These pressure measurements were coupled with high-speed recordings of feeding behavior. For each species...
Journal Articles
J Exp Biol (2006) 209 (2): 314–319.
Published: 15 January 2006
...J. C. Partridge; E. M. White; R. H. Douglas SUMMARY The effect of hydrostatic pressure (0.1-54 MPa, equivalent to pressures experienced by fish from the ocean's surface to depths of ca. 5400 m) on visual pigment absorption spectra was investigated for rod visual pigments extracted from the retinae...
Journal Articles
J Exp Biol (2005) 208 (15): 2819–2830.
Published: 1 August 2005
...Paul H. Yancey SUMMARY Organic osmolytes are small solutes used by cells of numerous water-stressed organisms and tissues to maintain cell volume. Similar compounds are accumulated by some organisms in anhydrobiotic, thermal and possibly pressure stresses. These solutes are amino acids...
Journal Articles
J Exp Biol (2005) 208 (2): 327–344.
Published: 15 January 2005
... study of flows around the carapaces of three morphologically distinct boxfishes(spotted boxfish, scrawled cowfish and buffalo trunkfish) using stereolithographic models and three separate but interrelated analytical approaches: digital particle image velocimetry (DPIV), pressure distribution...
Journal Articles
J Exp Biol (2005) 208 (2): 355–369.
Published: 15 January 2005
...James R. Usherwood; Tyson L. Hedrick; Craig P. McGowan; Andrew A. Biewener SUMMARY Differential pressure measurements offer a new approach for studying the aerodynamics of bird flight. Measurements from differential pressure sensors are combined to form a dynamic pressure map for eight sites along...
Journal Articles
J Exp Biol (2003) 206 (4): 725–744.
Published: 15 February 2003
... models positioned at both pitching and yawing angles of attack were investigated using three methods: digital particle image velocimetry (DPIV), pressure distribution measurements, and force balance measurements. Models positioned at various pitching angles of attack within a flow tunnel produced well...
Journal Articles
J Exp Biol (2001) 204 (20): 3561–3570.
Published: 15 October 2001
...D. M. Webber; R. G. Boutilier; S. R. Kerr; M. J. Smale SUMMARY We report the results of an experiment designed to investigate the feasibility of using differential pressure to estimate the swimming speed and metabolic rate of Atlantic cod ( Gadus morhua ). Seven cod were fitted with a miniature...
Journal Articles
J Exp Biol (1991) 161 (1): 151–169.
Published: 1 November 1991
...ANDREW M. SMITH Experiments were performed to determine the mechanism by which limpets attach to the substratum. Pressure measurements were made under the feet of three species of limpets as they were forcibly detached from the substratum. These measurements show that limpets actively decrease...
Journal Articles
J Exp Biol (1991) 157 (1): 257–271.
Published: 1 May 1991
...ANDREW M. SMITH The decrease in hydrostatic pressure generated by octopus suckers adhering to wettable and non-wettable surfaces was measured using a flush-mounted miniature pressure transducer. The cavitation thresholds, or lowest sustainable pressures, of sea water on the same surfaces were also...
Journal Articles
J Exp Biol (1991) 156 (1): 21–39.
Published: 1 March 1991
... anaerobiosis Sipunculus nudus oxygen partial pressure J. exp. Biol. 156, 21-39 (1991) 2 1 Printed in Great Britain © The Company of Biologists Limited 1991 PROTON-EQUIVALENT ION TRANSFER IN SIPUNCULUS NUDUS AS A FUNCTION OF AMBIENT OXYGEN TENSION: RELATIONSHIPS WITH ENERGY METABOLISM BY H. O. PORTNER...
Journal Articles
J Exp Biol (1988) 134 (1): 429–433.
Published: 1 January 1988
...John R. B. Lighton ABSTRACT Sensitive and accurate pressure transducers are useful in many areas of biology. Two common applications are the measurement of pressure changes within the respiratory system of an animal, and quantification of the small pressure fluctuations that accompany...
Journal Articles
J Exp Biol (1987) 129 (1): 107–123.
Published: 1 May 1987
...A. P. Farrell ABSTRACT A preparation was developed to perfuse the coronary circulation in working hearts from rainbow trout ( Salmo gairdneri Richardson). The preparation was used to examine pressure–flow relationships for the coronary circulation as the heart generated physiological...
Journal Articles
J Exp Biol (1983) 104 (1): 1–13.
Published: 1 May 1983
... models make different predictions about the change in slope of the regression line representing the relationship between buccal and opercular cavity pressures, and the three experiments provide a critical test of the models. The results from all three tests unequivocally support (1) the concept...