Vesicle:Indermatology, avesicleis a small blister, as on the skin. Vesicles also occur on themucousmembranes, such as the buccalmucosa(the lining of the mouth). Vesicles are less than 0.5 centimeters in diameter.
Inanatomy, a vesicle is any small pouch. For example, the seminal vesicles are a pair of pouch-like structures about five cm (2 inches) long located behind thebladderand above the前列腺that contribute fluid to the ejaculate.
The word vesicle comes from the Latin diminutive vesiculum meaning a small bag or bladder.
