Labium and its derivatives -LRB- including labial , labrum -RRB- are used to describe any lip-like structure , but in the MISC@1 language , labium often specifically refers to parts of the vulva .

Labium and its derivatives -LRB- including labia , labial , labrum -RRB- are used to describe any lip-like structure , but in the MISC@1 language , labium often specifically refers to parts of the vulva .
