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Some ultrastructural observations of leydig and sertoli cells in the testis of Tilapia rendalli following induced testicular recrudescence

✍ Scribed by J. H. J. Van Vuren; J. T. Soley

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
832 KB
Volume
206
Category
Article
ISSN
0362-2525

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✦ Synopsis

Abstract

Transmission electron microscopical studies performed on the testis of Tilapia rendalli confirmed the presence of Leydig and Sertoli cells. These cells displayed characteristic morphological features and were positively identified in the interstitial tissue and lobules, respectively. Based on cytoplasmic features it appeared that Leydig cells were responsible for male sex steroid synthesis. Although no clear evidence of steroidogenesis was found in the Sertoli cells, they perform a phagocytic function in the seminiferous lobules.

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## Abstract A single oral dose of di‐__n__‐butyl phthalate (DBP) to male rats caused a sloughing of the germ cells at 6 h, with more severe sloughing at 24 and 48 h. DBP is metabolized to mono‐__n__‐butyl phthalate (MBP), which is transported through the blood‐tubular barrier into the seminiferous