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The rectouterine pouch (rectovaginal pouch, pouch of Douglas or cul-de-sac) is the extension of the peritoneum into the space between the posterior wall of the uterus and the rectum in the human female.
Sigmoidocele (also known as pouch of Douglas descent) is a medical condition in which a herniation of peritoneum containing loops of redundant sigmoid colon descends (prolapses) into the rectouterine pouch (in females), between the rectum and the vagina. [1] [2] This can obstruct the rectum and cause obstructed defecation syndrome. [3]
Culdoscopy is an endoscopic procedure performed to examine the rectouterine pouch and pelvic viscera by the introduction of a culdoscope through the posterior vaginal wall. [1] The word culdoscopy (and culdoscope) is derived from the term cul-de-sac, which means literally in French "bottom of a sac", and refers to the rectouterine pouch (or called the pouch of Douglas).
Culdoscope is an instrument, a kind of endoscope, used to visualize female pelvic organs, introduced through the vagina into the cul-de-sac (which is also called the rectouterine pouch or the pouch of Douglas). [1] [2] [3] The procedure of inserting the culdoscope into the rectouterine pouch is termed culdoscopy. [2]
The herniated structure is the recto-uterine pouch (pouch of Douglas) in females, [2] or the rectovesical pouch in males. The hernia descends below the proximal (upper) third of the vagina in females, [2] or, according to another definition, below the pubococcygeal line (PCL). [3] [note 1]
Culdocentesis is a medical procedure involving the extraction of fluid from the rectouterine pouch (pouch of Douglas) [1] posterior to the vagina through a needle. It can be one diagnostic technique used in identifying pelvic inflammatory disease (in which case purulent fluid will be extracted) and ruptured ectopic pregnancies that cause hemoperitoneum.
Douglas Emhoff is a lawyer turned second gentleman. Emhoff looks on at Sen. Harris’s 2016 swearing-in ceremony. Tom Williams - Getty Images.
[1] [3] The abscess may be in the pouch of Douglas, fallopian tube, ovary, or parametrium. [1] It begins as inflammation or a collection of blood in the pelvis. [1] Other risk factors include immunodeficiency, pregnancy, hydrosalpinx, endometrioma, poorly controlled diabetes, kidney disease, obesity, and genital tract abnormalities.