Rectouterine pouch


Rectouterine pouch

Infobox Anatomy
Name = PAGENAME
Latin = excavatio rectouterina, cavum douglassi, fossa douglasi
GraySubject = 246
GrayPage = 1152



Caption = Sagittal section of the lower part of a female trunk, right segment. (Pouch of Douglas labeled at bottom right.)



Caption2 = Median sagittal section of female pelvis. (Rectouterine excavation labeled at center left.)
System =
Precursor =
MeshName = Douglas'+Pouch
MeshNumber = A01.047.025.600.225
DorlandsPre = e_18
DorlandsSuf = 12347073
The rectouterine pouch (or Patrick-Douglas Bursa, or Ehrhardt-Cole Recess, or Pouch of Douglas) is the extension of the peritoneal cavity between the rectum and back wall of the uterus in the female human body.

The rectouterine pouch is used in the treatment of end-stage renal failure in patients who are treated by peritoneal dialysis. The tip of the dialysis catheter is placed into the deepest point of the pouch.

In "women" it is the deepest point of the peritoneal cavity, posterior to (behind) the uterus and anterior to (in front of) rectum. (The pouch on the other side of the uterus is the vesicouterine excavation.)

It is near the posterior fornix of the vagina.

In men, the region corresponding to the rectouterine pouch is the Rectovesical excavation, which lies between the urinary bladder and rectum. (There is no equivalent to the vesicouterine excavation.)

Pathology

The rectouterine pouch, being the lowest part of the peritoneal cavity in a woman who is standing, is a common site for the spread of pathology such as ascites, tumour, endometriosis, pus, etc.

Naming/Etymology

It is also known by the names "Douglas pouch", "Douglas cavity", "Douglas space" and "Douglas cul-de-sac". [WhoNamedIt|synd|2937]

It is named after the Scottish anatomist Dr James Douglas (1675–1742) who extensively explored this region of the female body. Three other nearby anatomical structures are also named for him - the Douglas fold, the Douglas line and the Douglas septum.


=Additional

References

External links

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* - "The Female Pelvis: Distribution of the Peritoneum in the Female Pelvis"
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Look at other dictionaries:

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  • pouch — A pocket or cul de sac. SEE ALSO: fossa, recess, sac. antral p. a p. made in the antrum of the stomach of experimental animals. branchial pouches SYN: pharyngeal pouches. Broca p. SYN: puden …   Medical dictionary

  • Recto-uterine pouch — Sagittal section of the lower part of a female trunk, right segment. (Excavatio recto uterina labeled at bottom right.) …   Wikipedia

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  • rectovesical pouch — n a sac between the rectum and the urinary bladder in males that is formed by a folding of the peritoneum compare RECTOUTERINE POUCH * * * excavatio rectovesicalis …   Medical dictionary

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  • Culdocentesis — The puncture and aspiration (withdrawal) of fluid from the cul de sac, the rectouterine pouch (the pouch of Douglas), an extension of the peritoneal cavity between the rectum and back wall of the uterus. The word culdocentesis is derived from cul …   Medical dictionary