Final answer:
The structures enclosed by the labia minora are termed the vestibule and they serve to protect the urethra and the entrance to the reproductive tract.
Step-by-step explanation:
Vestibule: The vestibule is the area enclosed by the labia minora. It contains several important structures, including:
- Vaginal opening: This is the entrance to the vagina, which is a part of the reproductive tract.
- Urethral opening: This is the opening through which urine is expelled from the body.
- Bartholin's glands: These are small glands located near the vaginal opening that secrete lubricating fluid.