title: On the histology of the interstitium and the occurrence of steroids in the Stickleback (Gasterosteus aculeatus L.) testis.
mesh_terms: D000735:Androstenedione / Q000378:metabolism; D000818:Animals; D003687:Dehydroepiandrosterone / Q000378:metabolism; D005399:Fishes / Q000502:physiology*; D007985:Leydig Cells / Q000166:cytology*; D008297:Male; D011374:Progesterone / Q000378:metabolism; D013091:Spermatogenesis / Q000502:physiology; D013256:Steroids / Q000378:metabolism*; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism
chemical_list: D013256:Steroids; D013739:Testosterone; D000735:Androstenedione; D003687:Dehydroepiandrosterone; D011374:Progesterone