title: The ultrastructure of Leydig cells in the testis of the domestic fowl.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002462:Cell Membrane; D002645:Chickens / Q000033:anatomy & histology*; D004721:Endoplasmic Reticulum; D002479:Inclusion Bodies; D007985:Leydig Cells / Q000166:cytology*; D008055:Lipids; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D013737:Testis / Q000166:cytology*
chemical_list: D008055:Lipids