oxidized ldl cholesterol

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oxidized ldl cholesterol

A doctor points to a diagram showing oxidized LDL cholesterol in an artery.

Definition

Noun A chemically modified form of low-density lipoprotein (LDL) cholesterol. This modification occurs when LDL particles are damaged by free radicals through a process called oxidation. In medical and biological contexts, it is strongly associated with the initiation and progression of atherosclerosis, the buildup of plaques in artery walls.

Usage

This is a technical, compound noun used primarily in medical, biochemical, and nutritional contexts. It refers to a specific, pathologically significant substance. * Researchers measured the levels of oxidized LDL cholesterol in the blood samples. * The study investigates the role of oxidized LDL cholesterol in heart disease. * Antioxidants may help prevent the formation of oxidized LDL cholesterol.

Advanced Usage
  • Often abbreviated in scientific literature as ox-LDL.
  • It is not merely cholesterol but a complex particle where the cholesterol-containing LDL has been structurally altered by oxidation.
  • It is specifically implicated in the damage to the endothelial lining of blood vessels and the uptake by macrophages, forming foam cells—a key early step in atherosclerotic plaque development.
Variants and Related Words
  • ox-LDL: The common abbreviation.
  • Oxidized low-density lipoprotein: The full, formal term.
  • Native LDL: Refers to LDL cholesterol that has not undergone oxidation.
  • Lipoprotein oxidation: The general process that creates oxidized LDL.
Synonyms
  • Oxidized low-density lipoprotein (formal equivalent)
  • ox-LDL (abbreviated synonym)

Note: There are no direct, simple synonyms as this is a precise scientific term. Related concepts include "modified LDL" or "damaged LDL," but these are less specific.

oxidized ldl cholesterol

A doctor points to a diagram showing oxidized LDL cholesterol in an artery.

Noun
  1. LDL cholesterol that has been bombarded by free radicals; it is thought to cause atherosclerosis

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