apolipoprotein B-48

ap·o·lip·o·pro·tein B-48

an apolipoprotein found in chylomicrons and chylomicron remnants. Retained in the intestines of patients with chylomicron retention disease.

apolipoprotein B-48

A 250 kD protein that is a major chylomicron component synthesized in the intestine; ApoB-48 has an obligatory role in the synthesis of chylomicrons and is essential for intestinal absorption of dietary fats and fat-soluble vitamins