cisterna chyli

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cisterna

 [sis-ter´nah] (pl. cister´nae) (L.)
cisterna cerebellomedulla´ris poste´rior the enlarged subarachnoid space between the undersurface of the cerebellum and the posterior surface of the medulla oblongata; called also cisterna magna.
cisterna chy´li the dilated portion of the thoracic duct at its origin in the lumbar region; called also receptaculum chyli.

cis·ter·na chy·'li

[TA]
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.

Pecquet,

Jean, French anatomist, 1622-1674.
Pecquet cistern - Synonym(s): Pecquet reservoir
Pecquet duct - the largest lymph vessel in the body. Synonym(s): thoracic duct
Pecquet reservoir - a dilated sac at the lower end of the thoracic duct into which the intestinal trunk and two lumbar lymphatic trunks open. Synonym(s): cisterna chyli; Pecquet cistern; receptaculum pecqueti
receptaculum pecqueti - Synonym(s): Pecquet reservoir