ves·i·cle
noun/ˈvesɪkl/
/ˈvesɪkl/
- (biology) a small hollow structure in the body of a plant or an animal
（动植物体内的）泡囊 - (medical) a small swelling filled with liquid under the skin
小疱
Word Originlate 16th cent.: from French vésicule or Latin vesicula, diminutive of vesica ‘bladder’.