['700', 'The', 'Journal', 'of', 'Reproductive', 'Medicine', 'The', 'newly', 'arrived', 'lipid', 'beneath', 'the', 'arterial', 'en-', 'dothelium', 'attracts', 'macrophages', 'to', 'the', 'endothelial', 'surface', '(A', 'and', 'B).', 'Cross-sectional', 'views', 'show', 'a', 'mac-', 'rophage', 'that', 'appears', 'to', 'be', 'attaching', 'to', '(C)', 'and', 'pene-', 'trating', 'between', '(D)', 'two', 'endothelial', 'cells,', 'suggesting', 'that', 'the', 'primary', 'route', 'of', 'entry', 'for', 'the', 'macrophage', 'into', 'the', 'subendothelium', 'is', 'from', 'the', 'circulating', 'blood.', ' ', 'Figure', '14', 'How', 'Lipids', 'Aitract', 'Macrophages', '(Monkey', 'Artery)', 'From', 'Faggiotto', 'A,', 'Ross', 'R,', 'Harker', 'L:', 'Studies', 'of', 'hyper-', 'cholesterolemia', 'in', 'the', 'nonhuman', 'primate:', '1.', 'Changes', 'that', 'lead', 'to', 'fatty', 'streak', 'formation.', 'Arteriosclerosis', '4:323,', '1984', 'Once', 'below', 'the', 'endothelial', 'surface,', 'the', 'macrophages', 'begin', 'ingesting', 'the', 'lipid', 'and', 'become', 'foam', 'cells.', ' ', 'Figure', '15', 'Formation', 'of', 'Foam', 'Cells', 'From', 'Faggiotto', 'A,', 'Ross', 'R,', 'Harker', 'L:', 'Studies', 'of', 'hyper-', 'cholesterolemia', 'in', 'the', 'nonhuman', 'primate:', '1.', 'Changes', 'that', 'lead', 'to', 'fatty', 'streak', 'formation.', 'Arteriosclerasis', '4:323,', '1984', '9978', 'PEBOS', ' ']