vesicle

 

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vesicle

Wikipedia

 

From Middle French vesicule, from Latin vēsīcula.

• IPA^(key): /ˈvɛsɪkəl/, /ˈviːsɪkəl/

• Audio (US):

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• Hyphenation: ves‧i‧cle
• Homophone: vesical (for some pronunciations)

vesicle (plural vesicles)

2. (cytology) A membrane-bound compartment found in a cell.
4. A small bladder-like cell or cavity, as:
   2. (botany) A small sac filled with juice, one of many constituting the pulp of a fruit such as an orange, lemon, or grapefruit.

      Coordinate term: acinus

   4. (biology, medicine) A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.
      2. (biology, medicine) (usually and especially) Such a blister that is less than 5 mm in diameter.

         Synonym: vesicula

         Coordinate term: bulla

6. (anatomy) A pocket of embryonic tissue that is the beginning of an organ.

   Coordinate term: germ

8. (geology) A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
   • 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 51:

     It frequently contains holes, or vesicles, especially nearer the surface of a flow where gas has escaped.

• vesica
• vesication
• vesicula
• vesicular
• vesiculation