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Medical Term:

transverse septum


the mesodermal mass separating the pericardial and peritoneal cavities; it is covered with mesothelium except where intimately associated with the liver, which originally develops within it; the septum is definitively incorporated into the diaphragm as the central tendon.

Synonym(s): ampullary crest

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.