title: The morphology of enclosed testicular tubules in a teleost fish, Poecilia latipinna.
mesh_terms: D000818:Animals; D005399:Fishes / Q000033:anatomy & histology* / Q000502:physiology; D008297:Male; D008854:Microscopy, Electron; D012671:Seminiferous Tubules / Q000648:ultrastructure*; D012708:Sertoli Cells / Q000648:ultrastructure; D013083:Sperm Transport; D013091:Spermatogenesis; D013737:Testis / Q000648:ultrastructure*