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Medical Term:

cisterna chyli


Definition: a dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open; it occurs inconsistently and when present is located posterior to the aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae.

Synonym(s): chyle cistern, ampulla chyli, chylocyst, Pecquet cistern, Pecquet reservoir, receptaculum chyli, receptaculum pecqueti

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