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Titolo:
EFFECT OF CHOLINERGIC STIMULATION OF THE AMYGDALOID COMPLEX ON WATER AND SALT INTAKE
Autore:
SAAD WA; BENGTSON RM; MENANI JV; CAMARGO LAA; RENZI A; SILVEIRA JEN; SAAD WA;
Indirizzi:
UNESP,FAC ODONTOL,DEPT CIENCIAS FISIOL,RUA HUMAITA,1680 CAIXA POSTAL 331 BR-14801903 ARARAQUARA SP BRAZIL UNIV SAO PAULO,FAC MED,DEPT CIRURG BR-01246903 SAO PAULO SP BRAZIL
Titolo Testata:
Brazilian journal of medical and biological research
fascicolo: 4, volume: 27, anno: 1994,
pagine: 915 - 920
SICI:
0100-879X(1994)27:4<915:EOCSOT>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
RATS; RESPONSES; NEURONS; NUCLEUS;
Keywords:
AMYGDALA; THIRST; SODIUM APPETITE; CHOLINERGIC STIMULATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
W.A. Saad et al., "EFFECT OF CHOLINERGIC STIMULATION OF THE AMYGDALOID COMPLEX ON WATER AND SALT INTAKE", Brazilian journal of medical and biological research, 27(4), 1994, pp. 915-920

Abstract

The effect of carbachol (80 nmol/mul) injection into the amygdaloid nuclear complex (AMG) on sodium appetite and water intake was studied in male Holtzman rats weighing 240-270 g. Twenty-five satiated rats and38 water-deprived rats were used in the experiment on water intake. In the experiment on sodium intake, 19 rats were injected with atropine+ carbachol and 9 rats with hexamethonium + carbachol. After carbachol injection into the AMG, water intake decreased in rats submitted to 30 h of water deprivation (10.28 +/- 1.04 ml/120 min vs 0.69 +/- 0.22 ml/120 min). The decrease in water intake was blocked by prior local injection of a tropine (20 nmol/1 mul)(11.66 +/- 1.46 ml/120 min vs 0.69 +/- 0.22 ml/120 min), but not of hexamethonium (30 nmol/1 mul), intothe AMG. In water-deprived animals, carbachol injection into the AMG caused a decrease in sodium chloride intake (6.16 +/- 1.82 ml/h vs 0.88 +/- 0.54 ml/h) which was blocked by previous injection of hexamethonium but not of a tropine. These results suggest that the cholinergic system of the AMG plays a role in the control of water and salt intake.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 16:23:09