title: The fine structure of the immature human testis in hypogonadotrophic hypogonadism.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D002466:Cell Nucleolus; D003094:Collagen / Q000032:analysis; D004721:Endoplasmic Reticulum; D006065:Gonadotropins, Pituitary / Q000627:therapeutic use; D006651:Histocytochemistry; D006801:Humans; D007006:Hypogonadism / Q000188:drug therapy / Q000473:pathology*; D008055:Lipids / Q000032:analysis; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D011627:Puberty; D012708:Sertoli Cells / Q000032:analysis / Q000166:cytology; D013737:Testis / Q000166:cytology / Q000473:pathology*
chemical_list: D006065:Gonadotropins, Pituitary; D008055:Lipids; D003094:Collagen