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Titolo:
Effects of acute hypotension on neuronal activity in the medial vestibularnuclei of rats
Autore:
Park, BR; Kim, MS; Kim, JH; Jin, YZ;
Indirizzi:
Wonkwang Univ, Sch Med, Dept Physiol, Iksan 570749, South Korea Wonkwang Univ Iksan South Korea 570749 hysiol, Iksan 570749, South Korea Inst Wonkwang Med Sci, Iksan 570749, South Korea Inst Wonkwang Med Sci Iksan South Korea 570749 Iksan 570749, South Korea
Titolo Testata:
NEUROREPORT
fascicolo: 17, volume: 12, anno: 2001,
pagine: 3821 - 3824
SICI:
0959-4965(200112)12:17<3821:EOAHON>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLOOD-FLOW; SODIUM-NITROPRUSSIDE; SYSTEM; HUMANS;
Keywords:
blood pressure; sodium nitroprusside; vestibular receptor; vestibuloautonomic reflex;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Park, BR Wonkwang Univ, Sch Med, Dept Physiol, Iksan 570749, South Korea Wonkwang Univ Iksan South Korea 570749 ksan 570749, South Korea
Citazione:
B.R. Park et al., "Effects of acute hypotension on neuronal activity in the medial vestibularnuclei of rats", NEUROREPORT, 12(17), 2001, pp. 3821-3824

Abstract

The role of peripheral vestibular receptors in acute hypotension was investigated in anesthetized rats. In animals with intact labyrinths, acute hypotension induced by either im. infusion of sodium nitroprusside or hemorrhage produced excitation of electrical activity in two-thirds of type I neurons and inhibition in two-thirds of type II neurons recorded in the medial vestibular nuclei. In unilaterally labyrinthectomized animals, two-thirds of type I neurons ipsilateral to the lesion showed an inhibitory response, andtwo-thirds of contralateral type I neurons showed an excitatory response after the induction of acute hypotension. The response patterns of type II neurons were opposite to those of type I neurons. These results suggest thatblood flow changes are detected by peripheral vestibular receptors, and that this might suggest a mechanism for control of blood pressure. NeuroReport 12:3821-3824 (C) 2001 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 19:53:28