Final answer:
The labia majora are the superficial most of the two pairs of labia, which are part of the vulva, the external female reproductive structure. The labia majora protect the inner structures and become covered with hair after puberty.
Step-by-step explanation:
The labia majora are the superficial of the two pairs of labia of the female reproductive anatomy.
The labia majora are external reproductive structures part of the vulva, consisting of elongated folds of tissue that run posteriorly from the mons pubis and enclose other components of the vulva.
Labia majora derive from the same tissue that produces the scrotum in a male and are covered with hair after puberty.
On the other hand, the labia minora are thinner, more pigmented folds of tissue that are located medially to the labia majora and serve to protect the urethra and entrance to the female reproductive tract.