Vulva: Exterior portion of reproductive tract, and opening of reproductive tract, provides visual signs of heat.
Vagina: Between vulva and cervix, channel for birth and copulation (cows and ewes, semen is deposited here)
Cervix: “Mouth of the womb,” Divides vagina and uterus and is opening into uterus. (Mares and sows, semen is deposited here). At birth, cervix stretches to allow baby to pass. During pregnancy, cervix become blocked with a mucous plug to prevent infection.
Uterus: Provides nourishment for fetus