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Ultrastructure of Sorubim lima (Teleostei, Siluriformes, Pimelodidae) spermiogenesis
(Journal of Submicroscopic Cytology and Pathology, 2000-10-01) [Artigo]
The spermiogenesis and the spermatozoon ultrastructure of Sorubim lima were studied. Our observations showed that early spermatids are round-shaped cells, have spherical nucleus with diffuse chromatin, small quantity of ...