Ultrastructure of Spermatogenesis of the Paradise Fish, Macropodus opercularis
Resource
Taiwania, 51(3), 170-180
Journal
Taiwania
Journal Volume
51
Journal Issue
3
Pages
170-180
Date Issued
2006-09
Date
2006-09
Author(s)
Lee, T.H.
Chiang, T.H.
Huang, B.M.
Wang, T.C.
Yang, H.Y.
Abstract
The intricate process of spermatogenesis in the paradise fish, Macropodus opercularis, was studied. In this species, the unrestricted or lobular type testes lining the caudal side of the body cavity are translucent and slender. Spermatogonia occur along the length of the tubules and the development of sperm takes place within cysts formed by Sertoli cells. Spermiogenesis involves preparatory morphological events followed by conspicuous modifications such as the movement of the centrioles, completion of the nuclear condensation, reduction of the cytoplasm, and the final differentiation of the flagellar complex. Mature spermatozoon has an oval nucleus, condensed chromatin, and typical 9 + 2 flagellar axoneme but lack acrosome. The role of the material in the nucleus and the cytoplasm as it reaches the Sertoli cell in the control of spermatogenesis is discussed.
Subjects
Paradise fish
Testis
Ultrastructure
Spermatogenesis
蓋斑鬥魚
?巢
超微結構
?子發育
Type
journal article
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