<prompt> Blood supply of upper pa of vaginaMiddle rectal aeryInternal pudendal aeryCervicovaginal branch of uterine aerySuperior rectal aery  <response>: The vaginal aery is usually defined as a branch of the internal illiac aery. The vaginal aery can arise from the internal iliac aery or the uterine aery. However, the phrase vaginal branches of uterine aery are the term for blood supply to the vagina coming from the uterine aery. 