Fine structure of the intratesticular exretory pathway in the guinea pig.
D000818:Animals; D003593:Cytoplasm; D004847:Epithelial Cells; D006168:Guinea Pigs / Q000033:anatomy & histology*; D007985:Leydig Cells; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D013737:Testis / Q000033:anatomy & histology* / Q000502:physiology