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Keywords: capillary
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Journal Articles
J Exp Biol (2016) 219 (21): 3473–3479.
Published: 1 November 2016
...Philipp Comanns; Philip C. Withers; Falk J. Esser; Werner Baumgartner ABSTRACT Moisture-harvesting lizards, such as the Australian thorny devil, Moloch horridus , have the remarkable ability to inhabit arid regions. Special skin structures, comprising a micro-structured surface with capillary...
Journal Articles
J Exp Biol (2016) 219 (2): 205–213.
Published: 1 January 2016
... by an increase in structures supporting oxygen delivery and consumption, such as capillaries and mitochondria. High-load strength-type exercise leads to growth of muscle fibers dominated by an increase in contractile proteins. In endurance exercise, stress-induced signaling leads to transcriptional upregulation...
Journal Articles
J Exp Biol (2011) 214 (15): 2455–2462.
Published: 1 August 2011
... change. scottg2@mcmaster.ca 9 5 2011 © 2011. 2011 avian bar-headed goose oxygen cascade respiratory physiology pulmonary diffusion capillary mitochondria High-altitude environments pose numerous challenges to animal life. The physical environment changes...
Journal Articles
J Exp Biol (2005) 208 (9): 1635–1644.
Published: 1 May 2005
... of the `total effective surface' of mitochondria and capillaries. According to these models, basal and maximal metabolic rates must scale as M 3/4 . This is not what we find. In 34 eutherian mammalian species (body mass M b ranging from 7 g to 500 kg) we found V̇ O 2max to scale with the 0.872 (±0.029) power...
Journal Articles
Journal Articles
J Exp Biol (2002) 205 (6): 829–840.
Published: 15 March 2002
... in the rat, averaging a 28 % increase in capillary-to-fibre ratio (C:F) but, as this was balanced by fibre hypertrophy across the whole muscle, there was no change in capillary density (CD). In contrast, the C:F was similar in both groups of hamsters, whereas CD rose by 33 % in line with fibre atrophy...
Journal Articles
J Exp Biol (2001) 204 (18): 3133–3139.
Published: 15 September 2001
..., for vascular endothelial growth factor and for glycolytic enzymes, such as phosphofructokinase, together with mitochondrial and capillary densities, increased in a hypoxia-dependent manner. Functional analyses revealed positive effects on V̇ O2max (when measured at altitude) on maximal power output and on lean...
Journal Articles
J Exp Biol (1998) 201 (8): 1051–1064.
Published: 1 April 1998
... of microcirculatory oxygen supply, it is found that muscle tissue capillarity is adjusted to muscle oxygen demand but that the capillary erythrocyte volume also plays a role. Oxygen delivery by the heart has long been recognized to be a key link in the oxygen transport chain. In allometric variation it is heart rate...
Journal Articles
J Exp Biol (1997) 200 (18): 2479–2492.
Published: 15 September 1997
... in a parallel Cresyl-stained series. Throughout development, the vasculature was pan-retinal and the hyaloid vessel was prominent. In early tadpole stages, capillaries were arranged as a honeycomb, and their number increased at a rate sufficient to maintain high densities in the face of increasing retinal area...
Journal Articles
J Exp Biol (1991) 160 (1): 263–283.
Published: 1 October 1991
... phosphates produced by glycolysis and by aerobic metabolism. This is achieved through the intermediary of a topologically organized creatine kinase isozyme system. The muscle capillary network supplies substrate and environmental oxygen to the mitochondria. The network is quantitatively matched to the muscle...