[Movement of Na+ and Cl- across the isolated fetal rat stomach]. / Mouvements de Na+ et Cl- à travers l'estomac isolé de foetus de rat.
C R Acad Sci III
; 303(17): 713-8, 1986.
Article
em Fr
| MEDLINE
| ID: mdl-3101987
ABSTRACT
Unidirectional and net isotopic fluxes of Na+ and Cl- were determined at steady state across isolated stomach of rat fetuses on days 19 and 21. On day 19, when parietal cells are not yet functional, net absorptions of Na+ and Cl- (respectively 3.8 +/- 1.1 and 5.2 +/- 1.7 mu eq X h-1 X cm-2) were observed. By contrast, active secretion of Cl- (-2.1 +/- 1.8 mu eq X h-1 X cm-2) associated with decreased absorption of Na+ (45%) was noted on day 21, and both Na+ and Cl- net movements accounted for the short-circuit current, as observed on adult gastric mucosa. These results show that Na+ active absorption precedes Cl- secretion in fetal rat at the time of parietal cells differenciation.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Sódio
/
Cloretos
/
Mucosa Gástrica
Limite:
Animals
Idioma:
Fr
Revista:
C R Acad Sci III
Assunto da revista:
BIOLOGIA
Ano de publicação:
1986
Tipo de documento:
Article