Description of spermatogenesis and sperm ultrastructure of Acanthostomum (Atrophocaecum) aswaninesis Wannas, 1977 (Digenea, Acanthostomatidae), a parasite of Bagrus bayad in Egypt
Spermatogenesis and the spermatozoon of Acanthostomum (Atrophocaecum) aswaninesis, were studied by transmission electron microscopy. Spermatogonia characterized by a large nucleo-cytoplasmic ratio, give rise to two generations of spermatocytes. The secondary spermatocytes divide forming early sperma...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2013-03-01
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| Series: | Journal of Basic and Applied Zoology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2090989613000131 |