Milky sperm or pitchy ovum flew from cloacalorifice when pressed the abdomen.
轻按腹部由泄殖孔流出乳白色的精液或黑褐色的卵。
The feathers or area under the tail of a bird surrounding the cloacal opening. 2, To ensure ethmoid sinus and maxillary sinus orifice complete epithelization.