Posterior right subhepatic space
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The posterior right subhepatic space (also known as the hepatorenal fossa or Morison pouch) separates the liver from the right kidney. It is a potential space that is not filled with any fluid in normal conditions.
- anterior: right hepatic lobe and gallbladder
- posterior: superior aspect right kidney; right adrenal gland; second part of the duodenum; hepatic flexure; pancreatic head
- inferior: transverse mesocolon
- superior: closed by the inferior layer of the coronary ligament and the right triangular ligament
The posterior right subhepatic space communicates with the right subphrenic space and right paracolic gutter. The posterior right subhepatic space communicates with the lesser sac via the epiploic foramen (foramen of Winslow).
History and etymology
Named by James Rutherford Morison (1843-1939), British surgeon 4.