1976EndocrinologyRequires access

Daily Variation in Concentration of Plasma Corticosteroid in Hypophysectomized Rats

ALBERT H. MEIER

Open publisher page 95 citations

Abstract

A daily variation in the concentration of plasma corticosteroid hormone is present in hypophysectomized rats implanted with pellets of adrenocorticotropic hormone (ACTH) and thyroxine. Although ACTH is necessary to maintain a functional adrenal, and thyroxine is required to permit the expression of the plasma corticosteroid rhythm, a normal daily variation in plasma corticosteroid concentration does not appear to depend on the periodic release of pituitary hormones.

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What this paper is about

A daily variation in the concentration of plasma corticosteroid hormone is present in hypophysectomized rats implanted with pellets of adrenocorticotropic hormone (ACTH) and thyroxine. Although ACTH is necessary to maintain a functional adrenal, and thyroxine is required to permit the expression of the plasma corticosteroid rhythm, a normal daily variation in plasma corticosteroid concentration does not appear to depend on the periodic release of pituitary hormones.

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OpenAlex reports 95 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A daily variation in the concentration of plasma corticosteroid hormone is present in hypophysectomized rats implanted with pellets of adrenocorticotropic hormone (ACTH) and thyroxine. Although ACTH is necessary to maintain a functional adrenal, and thyroxine is required to permit the expression of the plasma corticosteroid rhythm, a normal daily variation in plasma corticosteroid concentration does not appear to depend on the periodic release of pituitary hormones.

Key concepts: Internal medicine, Endocrinology, Corticosteroid, Adrenocorticotropic hormone, Hormone, Hypophysectomy, Pituitary gland, Plasma concentration

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