Vesicle

//ˈvɛsɪkəl// noun

Definitions

Noun
  1. 1
    A membrane-bound compartment found in a cell.
  2. 2
    a small anatomically normal sac or bladderlike structure (especially one containing fluid) wordnet
  3. 3
    A small bladder-like cell or cavity, as:; A small sac filled with juice, one of many constituting the pulp of a fruit such as an orange, lemon, or grapefruit.
  4. 4
    A small bladder-like cell or cavity, as:; A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.
  5. 5
    A small bladder-like cell or cavity, as:; A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.; (usually and especially) Such a blister that is less than 5 mm in diameter.
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  1. 6
    A pocket of embryonic tissue that is the beginning of an organ.
  2. 7
    A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.

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

Etymology

From Middle French vesicule, from Latin vēsīcula. By surface analysis, vesic- + -le. Doublet of vesicule.

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