a blood constituent involved in the transport of cholesterol and associated with a decreased risk of atherosclerosis and heart attack. Abbreviation: HDL![]() ![]() |
high-density lipoprotein n.
Abbr. HDL
A complex of lipids and proteins that functions as a transporter of cholesterol in the blood and which, in high concentrations, is associated with a decreased risk of atherosclerosis and coronary heart disease. Also called alpha-lipoprotein.
| high-density lipoprotein
A complex of lipids and proteins in approximately equal amounts that functions as a transporter of cholesterol in the blood. High levels are associated with a decreased risk of atherosclerosis and coronary heart disease. |