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Rare diseases · Sign or symptom

Abnormal chylomicron concentration

HP:0031887

What it means

Any deviation from the normal circulating concentration of chylomicrons.

Chylomicrons are one of the major classes of lipoproteins. Like VLDL, they function to transport triacylglycerol (TAG) in the circulation. Chylomicrons are synthesized in the small intestine by enterocytes from absorbed lipids. Endothelial cells in the circulation can process TAG from chylomicrons by means of the cell-surface enzyme lipoprotein lipase, which digests the TAG to fatty acids and monoglycerides.

Part of the broader category

Abnormal circulating lipoprotein cholesterol concentration
Abnormal chylomicron concentration

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.