— exocytotic /ek'soh suy tot"ik/ , adj.
/ek'soh suy toh"sis/ , n. Physiol.
the transport of material out of a cell by means of a sac or vesicle that first engulfs the material and then is extruded through an opening in the cell membrane (distinguished from endocytosis ).
[ 1960-65; EXO- + -CYTE + -OSIS; cf. ENDOCYTOSIS ]