noun which may take the genitive case particle 'no'
intravaginal
Medical/anatomical term meaning 'inside the vagina'. Used attributively with の.
The intravaginal pH is normally acidic.
The doctor checked the intravaginal condition.
経膣 means 'transvaginal' (through the vagina), often used in medical procedures, whereas 膣内 simply refers to the location inside the vagina.
Standard kanji form using the common character 膣.
Variant kanji form using 腟; less common but still encountered in medical contexts.
Compound of 膣 (ちつ, 'vagina') and 内 (ない, 'inside').