title: Comparative histochemical observations on the steroid-synthesizing cellular sites in the testes of nonmammalian vertebrates.
mesh_terms: D000728:Androgens / Q000096:biosynthesis*; D000818:Animals; D001001:Anura; D001717:Birds / Q000378:metabolism; D005399:Fishes / Q000378:metabolism; D007985:Leydig Cells / Q000378:metabolism; D050356:Lipid Metabolism; D008116:Lizards / Q000378:metabolism; D008297:Male; D013737:Testis / Q000378:metabolism*
chemical_list: D000728:Androgens