It supplies the vestibular bulbs and thus only exist in females.

It is homologous to the vestibular bulbs in females.

In females, it covers the vestibular bulb.

These are corpus cavernosum (cavern-like body) and vestibular bulbs.

The vestibular bulbs lie close to the crura on either side of the vaginal opening; internally, they are beneath the labia majora.

The vestibular bulbs, also known as the clitoral bulbs, are aggregations of erectile tissue that are an internal part of the clitoris.

Testosterone will cause an enlargement of the clitoris and possibly has important effects on the growth and maturation of the vestibular bulbs, corpus cavernosum of the clitoris and urethral sponge.

The clitoris, vestibular bulbs, labia minora, and urethra consist of two histologically distinct types of vascular tissue, the first of which is trabeculated, erectile tissue present in the clitoris and the bulbs, which have large, dilated vascular spaces filled with blood and are spongy in appearance.