secretory granules exocytosed from rat serosal mast cells bind low density lipoprotein ( ldl ) , and on being phagocytosed by macrophages , carry the bound ldl into these cells ( kokkonen , j. o. , and kovanen , p. t. ( 1987 ) proc . natl . acad . sci . u.s.a. 84 , 2287-2291 ) .
C0886515
secretory granules
C0007634
the