title: The ultrastructure of an interstitial-cell neoplasm of testis that produced large amounts of ground-substance.
mesh_terms: D000328:Adult; D003896:Desmosomes; D006025:Glycosaminoglycans; D006801:Humans; D007984:Leydig Cell Tumor / Q000473:pathology*; D008297:Male; D008566:Membranes; D008854:Microscopy, Electron; D008928:Mitochondria; D013194:Staining and Labeling; D013736:Testicular Neoplasms / Q000473:pathology*
chemical_list: D006025:Glycosaminoglycans