What is the name of the enlarged sac to which the lumbar trunks and the intestinal trunk return lymph?

Answer: cisterna

The Cysternia Chyli.

Explanation:

This is a linkage that sends fatty chyle from the intestines and acting as a conduit for the lipid total products of digestion. It is one of the commonest drainage trunk of the body's lymphatics. It recieves both lymphatic trunks (i. e both right and left). It is also located below the of the diaphragm.