cytoplasmic vesicle fusiform vesicle https://github.com/geneontology/go-ontology/issues/12996 A cytoplasmic vesicle which contains two urothelial plaques and can deliver these plaques to the apical plasma membrane of urothelial superficial (umbrella) cells. It can also be formed by endocytosis of apical plasma membrane during contractions of the urinary bladder. GO:0120002 cellular_component 2017-02-23T21:12:27Z krc