The thoracic and right lymphatic ducts. (Cisterna chyli is the white bulb in the center near the bottom.)
Modes of origin of thoracic duct. a. Thoracic duct. a’. Cisterna chyli. b, c’ Efferent trunks from lateral aortic glands. d. An efferent vessel which pierces the left crus of the diaphragm. e. f. Lateral aortic glands. h. Retroaortic glands. i. Intestinal trunk. j. Descending branch from intercostal lymphatics.
It forms the primary lymph vessel transporting lymph and chyle from the abdomen to the left subclavian vein. 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. The cisterna chyli receives fatty chyle from the intestines and thus acts as a conduit for the lipid products of digestion.