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Vestibular bulbs
Clitoris inner anatomy.gif
The internal anatomy of the human vulva, with the clitoral hood and labia minora indicated as lines.
Gyn layout.jpg
Genital organs of female.
1 - vaginal opening
2 - Bartholin's glands
3 - bulbus vestibuli
4 - vagina
5 - uterus (womb)
6 - ovaries
7 - Fallopian tubes
8 - bladder
9 - clitoris
Latin bulbus vestibuli vaginae
Gray's subject #270 1266
Artery artery of bulb of vestibule
Vein vein of bulb of vestibule
Lymph superficial inguinal lymph nodes
Shows the sub-areas of the clitoris. Areas include clitoral glans, body, crura. Also shows vestibular bulbs and corpus cavernosa

The vestibular bulbs, also known as the clitoral bulbs, are aggregations of erectile tissue that are an internal part of the clitoris. They can also be found throughout the vestibule: next to the clitoral body, clitoral crura, urethra, urethral sponge, and vagina.

They are to the left and right of the urethra, urethral sponge, and vagina.

The vestibular bulbs are homologous to the bulb of penis and adjoining part of the corpus spongiosum of the male, and consists of two elongated masses of erectile tissue, placed one on either side of the vaginal orifice and united to each other in front by a narrow median band termed the pars intermedia.

Their posterior ends are expanded and are in contact with the greater vestibular glands; their anterior ends are tapered and joined to one another by the pars intermedia; their deep surfaces are in contact with the inferior fascia of the urogenital diaphragm; superficially they are covered by the Bulbospongiosus.

Physiology

During sexual response the bulbs fill with blood, which then becomes trapped, causing erection. As the clitoral bulbs fill with blood, they tightly cuff the vaginal opening causing the vulva to expand outward. The blood inside the bulb’s erectile tissue is released by the spasms of orgasm, but if orgasm does not occur, the blood will exit the bulbs over several hours.[1]

References

  1. ^ Chalker, Rebecca (2000). The Clitoral Truth.. Seven Seas Press. p. 200. ISBN 1583224734.  

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.








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