capable of capable of transport vesicle exocytic vesicle A transport vesicle that mediates transport from an intracellular compartment to the plasma membrane, and fuses with the plasma membrane to release various cargo molecules, such as proteins or hormones, by exocytosis. exocytic constitutive secretory pathway transport vesicle GO:0070382 exocytotic vesicle cellular_component vesicle fusion to plasma membrane secretory vesicle