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Histological study of testes and spermatogenesis in racing pigeon Columbia livia domestic | ||
| Jornal of Al-Muthanna for Agricultural Sciences | ||
| Article 1, Volume 2, Issue 2, 2014, Pages 1-13 | ||
| Abstract | ||
| Abstract The histological study showed that The testis is surrounded by thin capsule consist of three layers with loses for the septa and lobules. The testis is consist of seminiferous tubules separated by interstitial area with spaces which contain the interstitial tissue and clusters of lydig cells which lining with seminiferous epithelium and large sertoli cells and surrounded by longitudinal myoepithelial cells adhered of basement membrane. The spermatogenesis in racing pigeon begins from spermatogonia and ending with the composition of sperm, where the spermatogonia are classified into spermatogonia type A, spermatogonia type І and spermatogonia type B. The primary spermatocytes pass through six different phases include preleptotene, leptotene, zygotene, pachytene, diplotene and diakinesis phases which ending with composition secondary spermatocytes which give rise to spermatids. The spermatids pass through metamorphosis include Golgi phase, Cap phase, Acrosomal phase, and maturation phase give rise to sperm | ||
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