Peritoneal cavity

Peritoneal cavity
Details
PrecursorIntraembryonic coelom
Identifiers
Latincavitas peritonealis,
saccus serosus peritonei
MeSHD010529
TA98A10.1.02.001
TA23702
THH3.04.08.0.00011
FMA14704
Anatomical terminology

The peritoneal cavity is a potential space between the parietal peritoneum (the serous membrane that surrounds the abdominal wall) and visceral peritoneum (which surrounds the internal organs).[1] The parietal and visceral peritonea are layers of the peritoneum named depending on their function/location. It is one of the spaces derived from the coelomic cavity of the embryo, the others being the pleural cavities around the lungs and the pericardial cavity around the heart.

It is the largest serosal sac, and the largest fluid-filled cavity,[2] in the body and secretes approximately 50 ml of fluid per day. This fluid acts as a lubricant and has anti-inflammatory properties.

The peritoneal cavity is divided into two compartments – one above, and one below the transverse colon.[3]

  1. ^ Pannu, HK; Oliphant, M (October 2015). "The subperitoneal space and peritoneal cavity: basic concepts". Abdominal Imaging. 40 (7): 2710–22. doi:10.1007/s00261-015-0429-5. PMC 4584112. PMID 26006061.
  2. ^ Heimbürger, Olof (1 January 2019). "29 - Peritoneal Physiology". Chronic Kidney Disease, Dialysis, and Transplantation (Fourth Edition). Elsevier: 450–469.e6. doi:10.1016/b978-0-323-52978-5.00029-x. ISBN 9780323529785.
  3. ^ Sharma, M; Madambath, JG; Somani, P; Pathak, A; Rameshbabu, CS; Bansal, R; Ramasamy, K; Patil, A (March 2017). "Endoscopic ultrasound of peritoneal spaces". Endoscopic Ultrasound. 6 (2): 90–102. doi:10.4103/2303-9027.204816. PMC 5418973. PMID 28440234.

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