SEASONAL VARIATIONS IN PRODUCTION IN VITRO OF CORTICOSTEROIDS BY THE FROG (RANA RUGULOSA) ADRENAL

Author:

CHAN S. W. C.,PHILLIPS J. G.

Abstract

SUMMARY Cyclical changes in the activity of adrenocortical tissue are a wellestablished phenomenon in many amphibian species but up to now they have been studied by observing changes in cytology or enzyme activity, e.g. steroid-3β-ol dehydrogenase. The present study was designed to provide a measure of corticosteroid secretion throughout the seasons using the in-vitro approach. Concomitant histological changes are also recorded and together provide evidence that the adrenal tissue of Rana rugulosa shows maximum activity in the spring spawning season and reaches a minimum in winter.

Publisher

Bioscientifica

Subject

Endocrinology,Endocrinology, Diabetes and Metabolism

Cited by 12 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Long-term starvation in Xenopus laevis daudin—I. Effects on general metabolism;Comparative Biochemistry and Physiology Part B: Comparative Biochemistry;1988-01

2. Circannual changes in plasma aldosterone levels in Bufo japonicus formosus;General and Comparative Endocrinology;1984-01

3. Seasonal and daily plasma corticosterone rhythms in American toads, Bufo americanus;General and Comparative Endocrinology;1983-06

4. Stimulation of interrenal secretion in amphibia;General and Comparative Endocrinology;1982-08

5. In vitro study of frog (Rana ridibunda pallas) interrenal function by use of a simplified perifusion system;General and Comparative Endocrinology;1981-12

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