filipin-sterol complexes were plentiful on the plasma membrane , on the smooth-membrane invaginations and vesicles induced by albumin , on the large endocytic vacuoles induced by con a , and on the membrane of phagosomes but , in contrast , they were absent from coated pits and vesicles , as well as from coated segments of invagination or vesicles .
C0007603
plasma membrane
C0598180
coated pits