Leydig cell development in the testis of the pig.
D000818:Animals; D002454:Cell Differentiation; D007985:Leydig Cells / Q000378:metabolism / Q000648:ultrastructure*; D008297:Male; D009024:Morphogenesis; D013552:Swine / Q000033:anatomy & histology*; D013737:Testis / Q000166:cytology* / Q000196:embryology