Vesicle may refer to: Synaptic vesicle Auditory vesicle Optic vesicles Seminal vesicle Subsporangial vesicle Vesical arteries Vesicle (biology), a relatively small and enclosed compartment within a cell Vesicle (dermatology), a liquid-filled cavity under the epidermis, commonly called a blister. Vesicular texture, a small enclosed cavity found in some volcanic rock, such as basalt Juice vesicles the pulp found in the endocarp of common citrus members.… (More on Vesicles)