Dictionary

vesicle

noun ves·i·cle \ˈve-si-kəl\

Definition of VESICLE

a : a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal

b : a small abnormal elevation of the outer layer of skin enclosing a watery liquid : blister

c : a pocket of embryonic tissue that is the beginning of an organ

: a small cavity in a mineral or rock

See vesicle defined for kids

Middle French vesicule, from Latin vesicula small bladder, blister, from diminutive of vesica

First Known Use: 1578

Medical Dictionary

noun ves·i·cle \ˈves-i-kəl\

a : a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal b : synaptic vesicle

: a small abnormal elevation of the outer layer of skin enclosing a watery liquid : blister

: a pocket of embryonic tissue that is the beginning of an organ—see auditory vesicle, brain vesicle, optic vesicle

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