Culdoscope is an instrument, a kind of endoscope, used to visualize

female Female (Venus symbol, symbol: ♀) is the sex of an organism that produces the large non-motile ovum, ova (egg cells), the type of gamete (sex cell) that fuses with the Sperm, male gamete during sexual reproduction. A female has larger gamet ...

pelvic The pelvis (plural pelves or pelvises) is the lower part of the trunk, between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton (sometimes also called bony pelvis, or pelvic skeleton). The ...

organs, introduced through 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 ...

into 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 also called the rectouterine pouch or the pouch of Douglas). The procedure of inserting the culdoscope into the rectouterine pouch is termed culdoscopy. The word culdoscope (and culdoscopy) is derived from the phrase

, which in

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

literally means "bottom of a sac", here referring to a blind pouch or cavity in the

female body Female body shape or female figure is the cumulative product of a woman's skeletal structure and the quantity and distribution of muscle and fat on the body. There is a wide range of normality of female body shapes. Female figures are typicall ...

that is closed at one end, that is the rectouterine pouch. As early as the 13th century, a cul-de-sac was a dead-end street (or a dead-end way), a blind alley.

References

. Tsin DA.Development of flexible culdoscopy J Am Assoc Gynecol Laparosc. 2000 Aug;7(3):440; author reply 441–2. {{PMID, 11041659 Endoscopy