dilation of a lymph vessel:
other materials from body tissues and it also transports fat from the small intestines; it eventually empties into. the blood, returning tissue fluids into the general body circulation. â¢âLymphangiectasiaâis defined as the dilation of the lymphatic vessels in the gastrointestinal tract; the. âgastrointestinal tractâ includes the stomach, small intestines, and large intestines. â¢Lymphangiectasia is an obstructive disorder of the lymphatic system of the gastrointestinal tract, resulting in.