The triangular ligaments of the liver are the sharp, bloodless, peritoneal folds at the extreme right and left limits of the attachment of the liver to the diaphragm. They lie at the opposite ends of the posterior surface of the liver. The left triangular ligament is an extensive fold which can be clamped between the right index and middle fingers much as can the pedicle of the spleen. The right triangular ligament is less well marked. It is attached to the right inferior end of the posterior surface of the right lobe of the liver. Its two layers at once diverge and, as the upper and lower layers of the coronary ligament, limit the bare area on the back of the liver above and below.
February 2003. Arch Surg. 2003;138(2):224. doi:10.1001/archsurg.138.2.224
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