porosome

id: GO:0033012
name: porosome
namespace: cellular_component
type: go
obsolete: False

Description: A permanent cup-shaped structure at the cell plasma membrane in secretory cells. Following a secretory stimulus, secretory vesicles transiently dock and fuse at the base of porosomes and release intravesicular contents dictated by the turgor pressure generated from the swelling of secretory vesicles.

Parent Functions