vesicle

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a small anatomically normal sac or bladderlike structure (especially one containing fluid)
• Syn:
cyst
• Derivationally related forms:
cystic (for: cyst)
• Hypernyms:
sac
• Hyponyms:
lacrimal sac, tear sac, dacryocyst, Golgi body, Golgi apparatus,
Golgi apparatus, dictyosome, blister, bulla, bleb,
follicle, liposome