Sweat and sebaceous glands are present in the Labia majora.

The labia majora, also known as the outer lips of the vulva, are two elongated folds of skin and fatty tissue that extend from the mons pubis to the perineum. They are located on the outside of the female genitalia and serve several important functions.

1. Protection: The labia majora act as a protective barrier for the more delicate structures of the vulva, including the labia minora, clitoris, and vaginal opening. They help to prevent abrasions, infections, and other damage to these sensitive areas.

2. Sensation: The labia majora are richly innervated with nerve endings, which contribute to sexual pleasure and sensitivity. They are also highly sensitive to touch and can be a source of erotic stimulation.

3. Sweat Glands: The labia majora contain numerous sweat glands, which produce sweat to help regulate body temperature. Sweat glands are also involved in maintaining the pH balance of the skin and preventing bacterial overgrowth.

4. Sebaceous Glands: Sebaceous glands are also present in the labia majora. These glands produce sebum, an oily substance that helps to lubricate and moisturize the skin. Sebum helps to keep the labia majora soft and supple, reducing friction and irritation.

Overall, the presence of sweat and sebaceous glands in the labia majora helps to maintain the health and function of the external genitalia. They contribute to the proper functioning of the skin in this area and play a role in sexual pleasure and comfort.