The fornices of the vagina (sing. fornix of the vagina or fornix vaginae) are the superior portions of the

vagina In mammals, the vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vestibule to the cervix. The outer vaginal opening is normally partly covered by a thin layer of mucosal tissue called the hymen ...

, extending into the recesses created by the

vaginal portion of cervix The cervix or cervix uteri (Latin, 'neck of the uterus') is the lower part of the uterus (womb) in the human female reproductive system. The cervix is usually 2 to 3 cm long (~1 inch) and roughly cylindrical in shape, which changes during ...

. The word "fornix" is Latin for "arch".

Structure

There are two named fornices: *The posterior fornix is the larger recess, behind the

cervix The cervix or cervix uteri (Latin, 'neck of the uterus') is the lower part of the uterus (womb) in the human female reproductive system. The cervix is usually 2 to 3 cm long (~1 inch) and roughly cylindrical in shape, which changes during ...

. It is close to the

recto-uterine pouch The rectouterine pouch (recto-uterine pouch), pouch of Douglas, or rectovaginal pouch is the extension of the peritoneum between the rectum and the posterior wall of the uterus in the human female. Its anterior boundary is formed by the posterior f ...

. *There are three smaller recesses in front and at the sides: **the anterior fornix is close to the

vesico-uterine pouch In human female anatomy, the vesicouterine pouch, also uterovesicle pouch, is a fold of peritoneum over the uterus and the bladder. Like the rectouterine pouch, it is a female pelvic recess, but shallower and closer to the anterior fornix of the ...

. **the two lateral fornices.

Sexual stimulation

During

sexual intercourse Sexual intercourse (or coitus or copulation) is a sexual activity typically involving the insertion and thrusting of the penis into the vagina for sexual pleasure or reproduction.Sexual intercourse most commonly means penile–vaginal penetrat ...

in the

missionary position The missionary position or man-on-top position is a sex position in which, generally, a woman lies on her back and a man lies on top of her while they face each other and engage in vaginal intercourse. The position may also be used for other se ...

, the tip of the penis reaches the anterior fornix, while in the

rear-entry position Doggy style is a sex position in which a person bends over, crouches on all fours (usually on hands and knees), or lies on their abdomen, for sexual intercourse, other forms of sexual penetration or other sexual activity. Doggy style is ...

it reaches the posterior fornix. The fornices appear to be close to one reported

erogenous zone An erogenous zone (from Greek , ''érōs'' "love"; and English ''-genous'' "producing", from Greek , ''-genḗs'' "born") is an area of the human body that has heightened sensitivity, the stimulation of which may generate a sexual response, su ...

, the

cul-de-sac A dead end, also known as a cul-de-sac (, from French for 'bag-bottom'), no through road or no exit road, is a street with only one inlet or outlet. The term "dead end" is understood in all varieties of English, but the official terminology ...

, which is near the posterior fornix.

References

External links

* * – "The Female Pelvis: The Vagina" * – "Female Reproductive System: cervix, longitudinal" * {{DEFAULTSORT:Vaginal Fornix Vagina

Structure

Sexual stimulation

See also

References

External links