PMID: 9536648Apr 16, 1998Paper

Male reproductive toxicity of phosphamidon: histopathological changes in epididymis

Indian Journal of Experimental Biology
M A Akbarsha, P Sivasamy

Abstract

Phosphamidon, a neurotoxic insecticide, was tested for male reproductive toxicity with special reference to the epididymis. The insecticide was fed to Wistar strain male albino rat at 35 ppm concentration in drinking water ad libitum for 30 days. After vascular perfusion, thin slices of caput and cauda epididymidis were embedded in plastic, cut at 1 micron thickness and stained in toluidine blue for light microscopic observation. Principal cells of the caput epididymidis were vacuolarized and seen to pinch off fragments apically. In the proximal cauda the clear cells increased in height and in the size of the secondary lysosomal granules. In the distal cauda the clear cells appeared swollen out of proportion. Phosphamidon appears to affect the principal cells indirectly through its toxic effect on the Leydig cells; the clear cells of the cauda appear to be directly vulnerable to the toxic action of the pesticide.

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