Biology A (Salters-Nuffield) A-Level
HDL
What HDL means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of HDL
Check what you remember
Read the wording for your board, then hide it and explain HDL in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Lipoprotein particles that return excess cholesterol to the liver, where it is excreted, so higher levels are generally protective and associated with lower CVD risk.
Topics that use HDL
- Topic 1: Lifestyle, Health and Risk (Pearson Edexcel A-Level)
Related terms
- Actual risk
- Aerobic exercise
- Antihypertensives
- Atheroma and thrombosis mechanisms
- Correlation
- Endothelial dysfunction
- Energy balance
- Ester bond
Using HDL in the exam
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