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chylomicron

Pronunciation: ki'lo-mi'kron, -mi'kra, -mi'kronz

Definition: A large lipid droplet (up to 100 mm in diameter) of reprocessed lipid synthesized in epithelial cells of the small intestine and containing triacylglycerols, cholesterol esters, and several apolipoproteins (A-I, B-48, C-I, C-II, C-III, E); the least dense (less than 1.006 g/mL) of the plasma lipoproteins that function as transport vehicles.

[chylo- + G. micros, small]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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