Vesicle definition

vĕsĭ-kəl
vesicles
See word origin
Frequency:
A small enclosed structure or cavity, especially:
  • (cytology) A membrane-bound structure within a cell in which materials such as enzymes are transported or stored.
  • (anatomy) A sac or cyst, especially one containing fluid.
  • (medicine) A blister of the skin.
  • (geology) A cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
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A small, membranous cavity, sac, or cyst.
  • (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.
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(geol.) A small, spherical cavity in volcanic rock, produced by bubbles of air or gas in the molten rock.
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A small sac or cyst, especially one containing liquid.
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A small circumscribed elevation of the skin containing serum.
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A membrane-bound structure within a cell in which materials such as enzymes are transported or stored.
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A small fluid-filled sac in the body.
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A membrane-bound sac in eukaryotic cells that stores or transports the products of metabolism in the cell and is sometimes the site for the breaking down of metabolic wastes. Vesicles bulge out and break off from the endoplasmic reticulum and the Golgi apparatus. Vesicles get their energy for mobility from ATP. Lysosomes and peroxisomes are vesicles.
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A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
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(cytology) A membrane-bound compartment found in a cell.
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A small bladder-like cell or cavity.
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(anatomy) A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.
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(anatomy) A pocket of embryonic tissue that is the beginning of an organ.
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(geology) A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
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Other Word Forms

Noun

Singular:
vesicle
Plural:
vesicles

Origin of vesicle

  • Middle English from Old French vesicule from Latin vēsīcula diminutive of vēsīca bladder, blister

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French vésicule or its source, Latin vÄ“sÄ«cula.

    From Wiktionary

Vesicle Sentence Examples

  • M, The water - pore, leading by the stone - canal stc to the waterring, from which hangs a Polian vesicle pb.

  • The statocysts present in general the structure of either a knob or a closed vesicle, composed of (I) indifferent supporting epithelium; (2) sensory, so-called auditory epithelium of slender cells, each.

  • Bergh (for Lumbricus and Criodrilus), whose figures show a derivation of the entire nephridium from mesoblast, and an absence of any connexion between successive nephridia by any continuous band, epiblastic or mesoblastic. A midway position is taken up by Wilson, who asserts the mesoblastic formation of the funnel, but also asserts the presence of a continuous band of epiblast from which certainly the terminal vesicle of the nephridium, and doubtfully the glandular part of the tube is derived.

  • Each testis communicates by means of an efferent duct with a common collecting duct of its side of the body, which opens on to the exterior by means of a protrusible penis, and to which is sometimes appended a seminal vesicle.

  • In the New Britain species the egg is still smaller (I mm.), and there is a large trophic vesicle.

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Words near vesicle in the Dictionary