part of part of in lateral side of in taxon contributes to morphology of Eutheria mammalian vulva genital labium UBERON:0004084 FMA:321903 One of the folds of skin which form the inner lips (labia minora) and outer lips (labia majora) on both sides of the vaginal opening. EMAPA:30837 NCIT:C52559 MA:0002464 CALOHA:TS-2210 labium galen:Labia external female genitalia lateral structure skin of external genitalia