Dictionary of Cancer Terms
View in Spanish: Vesícula
Vesicle (VEH-sih-kul)
A small sac formed by a membrane and filled with liquid. Vesicles inside cells move substances into or out of the cell. Vesicles made in the laboratory can be used to carry drugs to cells in the body.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.