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receptaculum pecqueti --> cisterna chyli

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

Synonym: ampulla chyli, chyle cistern, chylocyst, pecquet's cistern, pecquet's reservoir, receptaculum chyli, receptaculum pecqueti.