Definition

1. Noun:
   • A type of lipoprotein that carries cholesterol through the bloodstream: Low-density lipoprotein is a microscopic particle composed of lipids (fats) and proteins. Its primary function is to transport cholesterol from the liver to cells throughout the body.
   • Often referred to as "bad" cholesterol: In medical contexts, it is commonly called "bad" cholesterol because high levels in the blood can lead to a buildup of plaque in artery walls, increasing the risk of cardiovascular diseases.

Usage Examples

• Noun:
  • A blood test revealed his low-density lipoprotein level was elevated.
  • Doctors recommend reducing saturated fat intake to lower low-density lipoprotein.
  • The study focused on the role of low-density lipoprotein in artery blockage.

Advanced Usage

• "LDL": This is the standard acronym and the most common way to refer to low-density lipoprotein in both medical and everyday contexts.
  • My doctor said my LDL is too high.
• "LDL cholesterol": A frequent compound term specifying the cholesterol carried by this particle.
  • The goal is to manage your LDL cholesterol effectively.

Variants and Related Words

• LDL: The universal abbreviation for low-density lipoprotein.
• Low-density lipoprotein cholesterol: A fuller, more technical term.
• High-density lipoprotein (HDL): The contrasting type, often called "good" cholesterol, which helps remove cholesterol from the bloodstream.
• Lipoprotein: The broader category of particles that transport lipids in the blood, which includes LDL, HDL, and others.

Synonyms

• Bad cholesterol: The common layperson's synonym.
• LDL cholesterol: A precise synonym.

Related Phrases

• "LDL level": Refers to the concentration of LDL in the blood.
  • Monitoring your LDL level is crucial for heart health.
• "LDL receptor": A protein on cell surfaces that binds to and removes LDL from the blood.
  • A genetic defect in the LDL receptor can cause very high cholesterol.

Noun

1. a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis