INVOLVEMENT OF SWIMMING-INDUCED ACUTE STRESS IN THE SENSITIVITY OF RAT VAS-DEFERENS TO NOREPINEPHRINE
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Data
1992-11-01
Autores
Bispo, DLN
Pereira, OCM
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Elsevier B.V.
Resumo
1. The effects of swimming-induced stress on rat sensitivity to norepinephrine were studied.2. Through microscopic analysis of the stomach from swimming stressed rats significant ulceration was observed, confirming that the stress situation was really present.3. Sensitivity to norepinephrine either in the presence or in the absence of cocaine and propranolol in acutely swimming stressed rats was not altered significantly.4. Bilateral adrenalectomy was performed in rats 2 days before swimming and acute stress resulted in a supersensitivity to norepinephrine, indicating that adrenal glands may, at least, partially mediate the sensitivity to this drug in vasa deferentia isolated from these animals.
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General Pharmacology. Oxford: Pergamon-Elsevier B.V., v. 23, n. 6, p. 1125-1128, 1992.