Vesicle - Definition

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Definition


The term vesicle refers to an organ that is shaped like a small sack and contains secretion fluids. There are several naturally present vesicles in the body, such as the gall bladder storing bile produced by the liver which then drains into the duodenum, the first section of the small intestine, as part of the digestive process. Physiologically, there are also the seminal vesicles that contain seminal fluid, a component of sperm. Vesicles can also represent abnormal growths, such as skin vesicles that are lesions resembling small raised bumps on the skin containing a fluid, observed, for example, in cases chickenpox.

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