Vagina, canal in female mammals that receives the male reproductive cells, or sperm, and is part of the birth canal during the birth process. The upper region of the vagina connects to the cervix of the uterus. The opening (vaginal orifice) is partially covered by the labia majora.
The vagina changes: during sex, throughout the menstrual cycle, and with age by Nicole Telfer, Science Content Producer — May 28, 2019.
In mammals, the vagina is the elastic, muscular part of the female genital tract. In humans, it .. one-third or lower third), some scientific examinations of vaginal wall innervation indicate no single area with a greater density of nerve endings.
Vestibule, vaginal: The vaginal opening is called the vestibule of the vagina. In medicine, a vestibule is a space or cavity at the entrance to a canal, channel, tube.
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