Final answer:
The base form that refers to the uterine cervix is Colp-. The cervix is the narrow inferior portion of the uterus that protrudes into the vagina. It produces mucus secretions and allows for sperm movement and childbirth.
Step-by-step explanation:
The base form that refers to the uterine cervix is d) Colp-.
The narrow inferior portion of the uterus, called the cervix, protrudes into the vagina. It produces mucus secretions that can facilitate sperm movement through the reproductive tract. The cervix also allows a baby to pass from the uterus into the vagina during childbirth.