In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa (the lining of the mouth). Vesicles are less than 0.5 centimeters in diameter.
In anatomy, 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 the bladder and above the prostate gland that contribute fluid to the ejaculate.
The word vesicle comes from the Latin diminutive vesiculum meaning a small bag or bladder.
- Vesicle, seminal
One of two structures that are about 5 cm long and are located behind the bladder and above the prostate gland. The seminal vesicles contribute fluid to the ejaculate.
Pertaining to both the urinary bladder and intestine or to a communication between them, as in a vesicoenteric fistula. Synonymous with vesicointestinal.
Referring to the presence of one or more vesicles. For example, a vesicular rash features small blisters on the skin.
- Vesicular rickettsiosis
A mild infectious disease first observed in New York City, caused by Rickettsia akari, transmitted from its mouse host by chigger or adult mite bites. There is fever, a dark spot that becomes a small ulcer at the site of the bite, swollen glands (lymphadenopathy) in that region, and a raised blistery (vesicular) rash. Also […]
Inflammation of a vesicle, particularly of the seminal vesicles behind the male bladder.