The vulva is the name given to all the visible sex organs of a woman.

About the vulva

The vulva is the name given to all the visible sex organs of a woman. It is made up of:

  • two thin, delicate folds of skin called the labia minora
  • two large, hair-covered folds called the labia majora, which surround the labia minora.

Between the labia are two openings:

  • the entrance of the vagina (birth canal)
  • the opening of the tube that drains urine from the bladder (the urethra).

At the front of the vulva, above the vagina and urethra, is the clitoris. This small structure is very sensitive and helps a woman reach sexual climax (orgasm).

On either side of the vagina are two small glands called Bartholin’s glands. These make a fluid that acts as a lubricant during sex.

Above the vulva is an area of fatty tissue called the mons pubis.

Further back, under the legs, is the opening to the back passage (anus). It is separated from the vulva by an area of skin called the perineum.

Vulva with lymph nodes labelled

The area where the skin creases at the top of each leg is called the groin. The groin contains lymph nodes, which are part of the lymphatic system.

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Vulval cancer and the lymphatic system

The lymphatic system helps to protect us from infection and disease. It also drains lymph fluid from the tissues of the body before returning it to the blood. The lymphatic system is made up of fine tubes called lymphatic vessels that connect to groups of lymph nodes throughout the body.

Lymph nodes (sometimes called lymph glands) are small and bean shaped. They filter bacteria (germs) and disease from the lymph fluid. When you have an infection lymph nodes often swell as they fight the infection.

Sometimes, cancer can spread through the lymphatic system. If vulval cancer spreads in this way, it is most likely to affect the lymph nodes in the groin.

Vulval cancer and the lymphatic system

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