Constriction of the ear pinna vascular bed accompanies the trigeminal depressor response in rabbits

Electrical stimulation of the spinal tract of the trigeminal nerve at 5 Hz to elicit the trigeminal depressor response in anesthetized rabbits also causes an acute fall in ear pinna blood flow to near zero levels (from 31±8 to 2±2 kHz, n=5, P

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Bibliographic Details
Published in:Neuroscience letters 1998-10, Vol.255 (3), p.172-174
Main Authors: Yu, Ying-Hui, Blessing, W.W.
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Blood Pressure - physiology
Cardiovascular regulation
Cutaneous blood flow
Ear, External - blood supply
Electric Stimulation
Femoral Artery - physiology
Fundamental and applied biological sciences. Psychology
Heart Rate - physiology
Hindlimb - blood supply
Mandibular Nerve - physiology
Medulla oblongata
Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration
Nociceptive stimulation
Rabbits
Regional Blood Flow - physiology
Skin blood flow
Spinal Cord - physiology
Sympathetic nerves
Trigeminal Nerve - physiology
Vasoconstriction - physiology
Vasodilation - physiology
Vertebrates: nervous system and sense organs
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Description
Summary:Electrical stimulation of the spinal tract of the trigeminal nerve at 5 Hz to elicit the trigeminal depressor response in anesthetized rabbits also causes an acute fall in ear pinna blood flow to near zero levels (from 31±8 to 2±2 kHz, n=5, P
ISSN:0304-3940
1872-7972
DOI:10.1016/S0304-3940(98)00717-4