noun which may take the genitive case particle 'no'
rectovaginal
Medical term used in anatomy and clinical contexts to describe the relationship between the rectum and the vagina, e.g., rectovaginal fistula, rectovaginal septum.
A rectovaginal fistula is a condition where an abnormal passage forms between the rectum and the vagina.
Compound of 直腸 (rectum) and 膣 (vagina), directly corresponding to the medical term 'rectovaginal'.