title: Reproductive biology of Clarias gariepinus (syn. lazera) Burchell (Claridae) in Lake Manzalah, Egypt. II. Structure of the testes.
mesh_terms: D000818:Animals; D002397:Catfishes / Q000502:physiology*; D004534:Egypt; D008297:Male; D012098:Reproduction; D013094:Spermatozoa / Q000166:cytology / Q000502:physiology; D013737:Testis / Q000166:cytology* / Q000502:physiology