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HISTOMORPHOLOGICAL OBSERVATION ON TESTES AND EPIDIDYMIS OF YAK (BOS GRUNNIENS)

Deka A*, Deori S, Paul V, Chakravarty P

In present study, one pair of testes and epididymis of Yak (Bos grunniens) was utilized. In cross section of testes, tunica albugenia, tunica vasculosa layer along with cross section of seminiferous tubules were observed. The cross section of seminiferous tubules contained basement membrane, sertoli cells, spermatogonia, spermatids and spermatocytes. The Sertoli cells were pyramidal shaped and rest on basement membrane. The spermatogonia were found among the Sertoli cells. In the cross section of epididymis of pseudo stratified columnar epithelium, stereo cilia, lumen of seminiferous tubules and smooth muscles were observed. The size of the lumen of the seminiferous tubules were larger compared to the size of the seminiferous tubules of testes.