vesicle
vesicle definition
vesi·cle (ves′i kəl)
noun
- a small, membranous cavity, sac, or cyst; specif.,
- Anat., Med. a small cavity or sac filled with fluid; esp., a small, round elevation of the skin containing a serous fluid; blister
- Bot. a small, bladderlike sac filled with air or liquid
- Geol. a small, spherical cavity in volcanic rock, produced by bubbles of air or gas in the molten rock
Etymology: < Fr or L: Fr vésicule < L vesicula, dim. of vesica, bladder
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