lipoprotein
Definition
- Noun:
- A conjugated protein containing a lipid component: A lipoprotein is a biochemical assembly that combines proteins and lipids. Its primary biological function is to enable the transport of lipids, such as cholesterol and triglycerides, through the bloodstream.
Usage Examples
- Noun:
- High-density lipoprotein (HDL) is often called "good" cholesterol.
- Doctors measure lipoprotein levels to assess cardiovascular risk.
- The structure of a lipoprotein allows fat molecules to move in the watery environment of blood.
Advanced Usage
"Lipoprotein(a)": A specific type of lipoprotein particle in the blood that is an independent risk factor for heart disease.
- Elevated lipoprotein(a) is a genetic risk factor for atherosclerosis.
"Lipoprotein lipase": An enzyme that breaks down triglycerides carried in lipoproteins.
- Lipoprotein lipase activity is crucial for clearing fats from the blood after a meal.
Variants and Related Words
Apolipoprotein (noun): The protein component of a lipoprotein.
- Apolipoprotein E is involved in cholesterol metabolism.
Chylomicron (noun): A type of lipoprotein that transports dietary lipids from the intestines to other tissues.
- Lipid (noun): A broad category of fat-soluble molecules, including those transported by lipoproteins.
Synonyms
- Lipid-protein complex: A descriptive synonym emphasizing its composite nature.
- Transport particle: A functional synonym highlighting its role in moving lipids.
Related Phrases and Compounds
Lipoprotein profile/panel: A blood test that measures the amounts of different types of lipoproteins.
- The patient's lipoprotein profile showed high LDL.
Low-density lipoprotein (LDL): Often termed "bad" cholesterol, this lipoprotein carries cholesterol to tissues.
- High-density lipoprotein (HDL): Often termed "good" cholesterol, this lipoprotein carries cholesterol away from tissues to the liver.
Related Terminology
- Dyslipidemia: A medical condition characterized by abnormal levels of lipoproteins in the blood.
- Atherosclerosis: A disease process where lipoprotein particles, especially LDL, contribute to plaque buildup in arteries.
Noun
-
a conjugated protein having a lipid component; the principal means for transporting lipids in the blood
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