vesical / vesicle [ˈvɛsɪkəl]
vesical – adj. – formed in, by or related to a urinary bladder
vesicle – n. – 1. a cavity or cell with a membranous integument; a small sac or cyst; 2. Physics a minute bubble or spherule of liquid or vapour, especially one of those composing a cloud or fog; 3. similar small spheres, either in animate or inanimate locations which may or may not be filled with liquid