منابع مشابه
The involvement of heating rate and vasoconstrictor nerves in the cutaneous vasodilator response to skin warming.
Slow local skin heating (LH) causes vasodilator responses, some of which are dependent on sympathetic nerve function. It is not known, however, how the rate of LH affects either the sympathetic or the nonadrenergic components of the responses to LH and whether the adrenergic effects of LH depend on tonic sympathetic activity or whether LH stimulates transmitter release. In part 1, cutaneous vas...
متن کاملChanges in vasoconstrictor and vasodilator neurotransmitters in nerves supplying arterioles in developing colorectal polyps.
OBJECTIVE To examine the changes that occur in the immunohistochemistry of vasoconstrictor and vasodilator transmitters in nerves supplying early and advanced colorectal polyps. SUBJECTS AND METHODS We studied the perivascular innervation of submucosal arterioles of colorectal polyps (n = 18) and the innervation of the epithelial layer of polyps compared to normal controls (n=8), using immuno...
متن کاملPresynaptic inhibition of neural vasodilator pathways to submucosal arterioles by release of purines from sympathetic nerves.
Capsaicin-sensitive extrinsic sensory nerves and submucosal vasodilator neurons provide important vasodilator input to submucosal arterioles, but relatively little is known about the signaling between these populations and the sympathetic vasoconstrictor innervation. This study examined whether release of sympathetic purines can modulate dilator nerves. In vitro submucosal preparations from gui...
متن کاملUltrastructural distribution of vasodilator and constrictor nerves in cat cerebral arteries.
This study examined the ultrastructural distribution of agranular vesicle-containing nerve (AVN) and granular vesicle-containing nerve (GVN) in cat cerebral blood vessels fixed in KMnO4. The percentages of the AVN and GVN throughout the adventitial layer in the basilar, middle cerebral, and anterior cerebral arteries were 63.4 and 36.7, 53.9 and 46.1, and 60.2 and 39.8, respectively. The AVN in...
متن کاملAngiotensin inhibits neurotransmission of calcitonin gene-related peptide-containing vasodilator nerves in mesenteric artery of spontaneously hypertensive rats.
The role of angiotensin (Ang) in neurotransmission of calcitonin gene-related peptide (CGRP)-containing vasodilator nerves in perfused mesenteric vascular beds isolated from spontaneously hypertensive rats (SHR) (8- and 15-week-old) and age-matched Wistar Kyoto rats (WKY) was investigated. In both SHR and WKY preparations precontracted by continuous perfusion of Krebs' solution containing 7 mic...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1994
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.114.10_765