Abstract

Histological study of atretic follicles in the ovary of Calotes versicolor shows the presence of yolky, glandular, bursting, haemorrhagic and cystic types of atresia. The granulosa cells of the atretic follicles exhibit A5-3p,-HSDH, 17,/-HSDH, 11/3-HDSH, G-6-PDH, NADH dia phorase, LDH and ICDH activity for a short duration, indicating their transient steroidogenic capacity and then degenerate. Theca interna cells show an increased activity for these enzymes in the atretic follicles and later persist as interstitial gland cells in the ovarian stroma.

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