Effect of dehydration on the increase of arterial pressure and renal electrolyte excretion produced by central cholinergic stimulation in rats
Braz. j. med. biol. res
; 23(9): 927-9, 1990. tab
Article
in English
| LILACS
| ID: lil-92457
Responsible library:
BR26.1
ABSTRACT
Natriuresis, kaliuresis, diuresis, arterial pressure and heart rate were studied in rats following dehydration and cholinergic stimulation of the medial septal area (MSA). The increase in renal NA+ and K+ excretion produced by the injection of carbachol (2nmol) into the MSA in normal hydrated rats was abolished in 48-h water-deprived rats. Urinary volume was also reduced. Cholinergic stimulation of the MSA produced a smaller mincrease in arterial pressure in 48-h-deprived rats compared to normal hydrated animals. No change was observed in heart rate. These reults show that hydration state is essential for the central cholinergic control of electrolyte excretion and increase in arterial pressure
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Collection:
International databases
Database:
LILACS
Main subject:
Septal Nuclei
/
Carbachol
/
Dehydration
/
Diuresis
/
Arterial Pressure
/
Kidney
Limits:
Animals
Language:
English
Journal:
Braz. j. med. biol. res
Journal subject:
Biology
/
Medicine
Year:
1990
Document type:
Article
/
Congress and conference