title: Appendage tumors of the skin: histogenesis and ultrastructure.
mesh_terms: D000236:Adenoma / Q000648:ultrastructure; D006607:Adenoma, Sweat Gland / Q000648:ultrastructure; D004439:Eccrine Glands / Q000648:ultrastructure; D006801:Humans; D008854:Microscopy, Electron; D012626:Sebaceous Gland Neoplasms / Q000648:ultrastructure; D012867:Skin / Q000473:pathology*; D012871:Skin Diseases / Q000473:pathology*; D012878:Skin Neoplasms / Q000648:ultrastructure*; D013544:Sweat Gland Neoplasms / Q000648:ultrastructure