Saying endo- and exocytosis again and again is such a tongue twister!

exocytosis Regulated exocytosis is a process in which the membranes of cytoplasmic organelles fuse with the plasma membrane in response to stimulation

Only upon exocytosis of a vesicle will its membrane protein be delivered to the cell surface where it diffuses in two 1310 Cell 137, 1308–1319, exocytosis The larval salivary gland of Drosophila melanogaster is an excellent model for studying exocytosis This gland synthesizes mucins that are packaged in SGs that