Term Name:	porosome
Synonyms:
Definition:	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.
Ontology:	GO: Cellular Component [GO:0033012]    QuickGO    AmiGO