noun which may take the genitive case particle 'no'
intravaginal
Medical/anatomical term meaning 'inside the vagina'. Used attributively with の.
膣内のpHは通常酸性です。
The intravaginal pH is normally acidic.
医師は膣内の状態を確認した。
The doctor checked the intravaginal condition.
Compound of 膣 (ちつ, 'vagina') and 内 (ない, 'inside').