. "A mature high-density lipoprotein (HDL) particle, converted from discoidal HDL particles following the esterification of cholesterol in the particle by phosphatidylcholine-sterol O-acyltransferase (lecithin cholesterol acyltransferase; LCAT)." . . "spherical high-density lipoprotein particle" . "mature HDL" . "mature high-density lipoprotein particle" . "spherical HDL" . . .