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Segmental serotoninergic innervation of spinal cord arterial circulation

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
49
Issue
3
Identifiers
DOI: 10.1016/0304-3940(84)90294-5
Keywords
  • Serotonin
  • Nerve Fibers
  • Spinal Cord
  • Arteries
  • Blood Flow

Abstract

Abstract A rich serotoninergic innervation of the anterior spinal artery has been evidenced by histofluorescence. The main contribution to this adventitial serotoninergic plexus appears to originate from a serotonin fiber network in the anterior horns: serotonin-containing fibers reach the dorsal termination of the sulcocommissural artery and run within its wall in a ventral direction, toward the anterior spinal artery. This segmental arrangement of blood vessel innervation could be the basis for a neurogenic control of local blood circulation.

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