title: Histological studies on the regional postnatal differentiation of the epididymis in the ram.
mesh_terms: D000367:Age Factors; D000818:Animals; D004822:Epididymis / Q000166:cytology* / Q000254:growth & development; D008297:Male; D012670:Seminiferous Epithelium / Q000166:cytology; D012671:Seminiferous Tubules / Q000166:cytology; D012756:Sheep / Q000033:anatomy & histology*; D013737:Testis / Q000166:cytology