Innervation of the Cerebral Superficial Arteries and the Parenchymal Small Vessels in Elaphe quadrivirgata(Endocrinology)
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概要
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The innervation of the cerebral arteries in the striped snake, Elapha quadrivirgata, was studied by catecholamine fluorescence, acetylcholinesterase (AChE)-activation staining, and immuno-histochemistry. Aminergic nerve fibers (Amn) showed dense meshworks of fine fibers not only in the cerebral carotid and basilar arteries but also in the cerebral parenchymal small vessels. Cholinergic nerve fibers (Chn) were distributed more densely than Amn in the cerebral carotid and basilar arteries, but were sparse in the cerebral parenchymal small vessels. The vasoactive intestinal polypeptide (VIP)-substance P (SP)-, neurokinin A (NKA)- and calcitonin gene-related peptide (CGRP)-like immunoreac-tive (LI) nerve fibers were very densely distributed in the cerebral carotid and basilar arteries, and moderately distributed in the cerebral parenchymal small vessels. Neuropeptide Y (NPY)-LI nerve fibers were not detected in the superficial cerebral arteries, but they were distributed in the cerebral parenchymal small vessels. No differences of the distributions of Amn, Chn and peptide-LI nerve fibers were observed in the normal half side or in the undeveloped half of the cerebral carotid arteries. When examined by double staining, SP-, NKA- and CGRP-LI nerve fibers showed almost identical distribution patterns. Three different patterns existed concerning the relationship between Chn and VIP-LI nerve fibers: 1) Chn and VIP-LI nerve fibers coexisting, 2) Chn living alone, and 3) VIP-LI nerve fibers living alone.
- 1991-08-15
著者
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Tagawa Takasuke
Department Of Anatomy School Of Medicine Fukuoka University
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Tagawa Takasuke
Department Of Anatomy Fukuoka University School Of Medicine
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Kuroda Masahiko
Department Of Anatomy School Of Medicine Fukuoka University
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ENOMOTO YUMIKO
Department of Anatomy, School of Medicine, Fukuoka University
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HIROTA CHIHO
Department of Anatomy, School of Medicine, Fukuoka University
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Hirota Chiho
Department Of Anatomy School Of Medicine Fukuoka University
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Enomoto Yumiko
Department Of Anatomy School Of Medicine Fukuoka University
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