since paramecium tetraurelia cells were found to discharge synchronously most of their secretory organelles ( 'trichocysts ' ) when exposed to 10 ( -6 ) m aminoethyldextran ( aed ) [ 17 ] , this was now used for a freeze-fracture and -etching analysis of intramembranous changes during exocytosis performance , in conjunction with a rapid freezing method .
C0007634
cells
C0015283
exocytosis