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- Costa, F.G.; Adolfi, M.C.; Gomes, C.C.; Jesus, L.W.O.; Batlouni, S.R.; Borella, M.I.
- Micron 2014 v.61 pp. 20-27
- Astyanax altiparanae; Sertoli cells; electron microscopy; epithelium; freshwater fish; mammals; secretion; spermatids; spermatogenesis; spermatozoa
- ... The Astyanax altiparanae (lambari) is a South American freshwater fish belonging to the family Characidae. Although some authors have described reproductive aspects of this species, this is the first study about the morphology of the testes throughout the annual reproductive cycle of A. altiparanae. Fish spermatogenesis differs from that in mammals as it occurs in cysts whose borders are defined b ...