dissociated anterior pituitary cells derived from estrogen-treated female rats were incubated with radioiodinated cationic ferritin ( cfi ) for 2 min and subsequently in the absence of cfi for varying periods of time up to 3 hr in order to quantitate , using electron microscopic autoradiography , the distribution of retrieved plasma membrane in these cells .
C0007603
plasma membrane
C0007634
cells