Definition, Meaning & Synonyms

vesicle

Noun

/ˈvɛsɪkəl/

Definition

A small fluid-filled sac or cyst.

Examples

Vesicles are essential for transporting proteins to different parts of the cell.
The scientist observed the vesicles under the microscope.
Due to a reaction, a vesicle formed on the patient’s skin.

Meaning

In biology, a vesicle is a membrane-bound structure within cells that transports materials. Vesicles also occur in other contexts, such as blisters on the skin; they contain liquid or air.