chylomicron

[kahy-luh-mahy-kron]

noun

Biochemistry.

1. a large plasma lipoprotein particle, occurring as a droplet consisting primarily of triglycerides and functioning in the transport of neutral lipids from the intestine to the tissues by way of the lymph.

chylomicron

/ ˌkaɪləʊˈmaɪkrɒn /

noun

1. biochem a minute droplet of fat, found in blood and chyle, that is the form in which dietary fat is carried in these fluids

Word History and Origins

Origin of chylomicron¹

First recorded in 1920–25; chylo- + micron

Example Sentences

A key finding of the study was that, when mitochondria did not function properly, enterocytes showed impaired packaging and transport of lipids in the form of chylomicrons.

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Two hypotheses have been made to explain the mechanism: lipopolysaccharide is taken up with dietary fats in chylomicrons, or lipopolysaccharide reaches the circulation because the gut is more permeable in obese mice.

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For the additional study, the researchers looked at what was happening in the chylomicrons in the blood, and found that triglyceride level can fluctuate, contrary to assumptions of steady change.

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A key finding of the study was that, when mitochondria did not function properly, enterocytes showed impaired packaging and transport of lipids in the form of chylomicrons.

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The enzyme normally breaks down tiny triglyceride-packed globules called chylomicrons, and its absence causes episodes of very painful pancreatitis that can be fatal.

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