Myogenic Tone in Isolated Perfused Vessels: OCCURRENCE AMONG VASCULAR BEDS AND ALONG VASCULAR TREES
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چکیده
منابع مشابه
Myogenic tone in isolated perfused vessels. Occurrence among vascular beds and along vascular trees.
In situ studies yield only indirect evidence as to whether non-neurogenic vascular tone results from an intrinsic myogenic tendency of the smooth muscle cell to contract or is due to stimulation of the muscle by some vasoactive humoral influence of the environment. In the current study, small resistance vessels from different vascular beds, from various levels of the arterial tree, and from sev...
متن کاملMyogenic Tone in Isolated Perfused Vessels
In situ studies yield only indirect evidence as to whether non-neurogenic vascular tone results from an intrinsic myogenic tendency of the smooth muscle cell to contract or is due to stimulation of the muscle by some vasoactive humoral influence of the environment. In the current study, small resistance vessels from different vascular beds, from various levels of the arterial tree, and from sev...
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UCHIDA, EIICHI, AND DAVID F. BOHR. Myogenic tone in isolated perfused resistance vessels from rats. Am. J. Physiol. 216(6) : 1343-l 350. 1969.-Isolated resistance vessels (80-320 p o.d.) from rat mesentery and skeletal muscle were perfused with physiological salt solution (PSS). Those from skeletal muscle developed myogenic tone, those from mesentery did not. The tonic constriction was relaxed ...
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Chronic lead exposure induces hypertension in humans and animals, affecting endothelial function. However, studies concerning acute cardiovascular effects are lacking. We investigated the effects of acute administration of a high concentration of lead acetate (100 microMu) on the pressor response to phenylephrine (PHE) in the tail vascular bed of male Wistar rats. Animals were anesthetized with...
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The mechanisms underlying vascular adaptations in pregnancy remain to be fully elucidated. One of the contributory mechanisms for reduced vascular tone may be a reduction of myogenic tone. Myogenic tone was assessed as the difference between internal diameter in the presence and absence of external calcium at different intramural pressure steps (60-100 mmHg). Myogenic responses were reduced in ...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 1969
ISSN: 0009-7330,1524-4571
DOI: 10.1161/01.res.25.5.549