Endocrine control of clutch size in reptiles. V. FSH-induced follicular formation and growth in immature ovaries of Anolis carolinensis

Richard E. Jones, Richard Tokarz, Frances T. LaGreek

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The immature ovary of Anolis carolinensis can be divided into germinal bed, stromal, and extrastromal regions. The germinal bed is covered by a surface epithelium and contains oogonia, "naked" oocytes, and several primordial follicles of similar size. One primordial follicle leaves the germinal bed at one time, enters the stroma, and is surrounded by a vascular theca. The granulosa then differentiates into four cell types. A follicular size hierarchy exists in the stromal and extrastromal regions within one ovary, and extrastromal and larger stromal follicles alternate in size between ovaries. The proposal is made that the alternation in follicular size between ovaries is a product of the follicular dominance hierarchy within each ovary. Treatment of immature females with mammalian FSH stimulates growth of all stromal and extrastromal follicles in each ovary. This gonadotropin also causes recruitment of follicles into the size hierarchy by initiating formation of new follicles in the germinal bed and movement of one follicle at a time into the stroma. Gonadotropin also changes the number of some cell types in the granulosa and stimulates yolk deposition in larger follicles.

Original languageEnglish
Pages (from-to)354-367
Number of pages14
JournalGeneral and Comparative Endocrinology
Volume26
Issue number3
DOIs
StatePublished - Jan 1 1975
Externally publishedYes

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Clutch Size
Anolis carolinensis
Reptiles
gonadotropins
clutch size
reptiles
Ovary
immatures
oogonia
Growth
blood vessels
oocytes
epithelium
cells
Gonadotropins
Oogonia
Social Dominance
leaves
Granulosa Cells
Oocytes

ASJC Scopus subject areas

  • Endocrinology

Cite this

Endocrine control of clutch size in reptiles. V. FSH-induced follicular formation and growth in immature ovaries of Anolis carolinensis. / Jones, Richard E.; Tokarz, Richard; LaGreek, Frances T.

In: General and Comparative Endocrinology, Vol. 26, No. 3, 01.01.1975, p. 354-367.

Research output: Contribution to journalArticle

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