Development of the ovarian follicles in relation to changes in plasma parameters and 53Δ HSD in snapping turtle, Chelydra serpentina

I. Y. Mahmoud, R. V. Cyrus, M. J. Woller, A. Bieber

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

1. 1. Follicular development in snapping turtle, Chelydra serpentina, was studied in relation to changes in plasma levels of estradiol-17β, total protein, calcium, inorganic phosphate and cholesterol. 2. 2. Histochemical reaction for 3β-HSD in granulosa and theca cells of the follicles is strong during the preovulatory and vitellogenic phases when the follicles attain their maximum size (18-22 mm) and estradiol is at a high level. 3. 3. The reaction for 3β-HSD is weal during the postovulatory phase when the developing follicles are at their minimum size (5-7 mm) and estradiol is low. 4. 4. Administration of estradiol-17β causes a rise in plasma calcium, total protein, inorganic phosphate and cholesterol.

Original languageEnglish (US)
Pages (from-to)131-136
Number of pages6
JournalComparative Biochemistry and Physiology -- Part A: Physiology
Volume82
Issue number1
DOIs
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Molecular Biology
  • Biochemistry

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