Vesicle

Vesicles (from the Latin vesicula " bubbles " ) are:

Particular in the chemical, spherical arrays of surface active molecules in a liquid, see Liposome
In biology small cell compartments, see vesicle (biology)
In mycology, the thickened free end of the Konidiophors
In medicine is frequent so-called primary lesion of the skin, see vesicle ( dermatology )