Definition of vesicle in English:

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Pronunciation: /ˈvɛsɪk(ə)l/


1 Anatomy & Zoology A small fluid-filled bladder, sac, cyst, or vacuole within the body.
Example sentences
  • They are united by the presence of small vesicles in, or just under, the plasma membrane.
  • The prevailing model argues that specific proteins are shuttled around to their destinations, both within and outside the cell, in enclosed vesicles.
  • Both vesicles and bilayer patches were found not to move laterally over the time range of 10 min and more, except at relatively high imaging forces.
1.1 Medicine A small blister full of clear fluid.
Example sentences
  • Chickenpox usually occurs in children, causing slight fever and an eruption of transparent vesicles (blisters).
  • Several hours or days following exposure, affected skin in a previously sensitized individual becomes itchy and red and may develop small vesicles or blisters.
  • In fact, she had beautiful skin apart from the scattered vesicles caused by the chicken pox.
2 Botany An air-filled swelling in a plant, especially a seaweed.
Example sentences
  • Plant vesicle trafficking will serve similar functions to those seen in animals and yeast.
  • When resin vesicles are damaged during seed processing, the result is generally a decline in seed germination.
  • Here we report that this defect formation is strongly enhanced by the membrane tension induced by osmotic swelling of vesicles.
3 Geology A small cavity in volcanic rock, produced by gas bubbles.
Example sentences
  • A variety of minerals were deposited in the hollow vesicles.
  • Calcite, along with epidote, fills small vesicles in the basaltic dike rock.
  • In the road cuts of both early and later construction, rock was blasted that contains zeolite-filled vesicles.



Pronunciation: /vɪˈsɪkjʊlə/
Example sentences
  • On the basis of the vesicular structure of the shell wall, Fisher felt that they were not closely related to annelid worms.
  • Several observations on normal and injured lungs raise interest in the molecule and pathway specificity of deformation triggered vesicular trafficking.
  • The thickest segments of the main tubes have a core of vesicular glass that is a terra-cotta color.


Pronunciation: /vɪˈsɪkjʊleɪtɪd/
Example sentences
  • Seismically, vesiculated zones exhibit low compressional-wave velocities.
  • Others were highly vesiculated and contained discrete but degenerating organelles, such as nuclei and mitochondria.
  • The chromatin was clumped, giving the nuclei a clear vesiculated appearance.


Pronunciation: /vɪˌsɪkjʊˈleɪʃ(ə)n/
Example sentences
  • The sloughed area is caused by vesiculation and it in turn has many etiologies including thermal and chemical burns, exfoliative dermatitis secondary to a drug reaction, bacterial and fungal infections.
  • Particular attention was paid to the description of each part of the stratigraphy, noting features such as degree of vesiculation, fracturing, weathering style, lithology and texture.
  • These properties contribute to curvature stress that promotes hexagonal phase formation and membrane trafficking through vesiculation and fusion.


Late 16th century: from French vésicule or Latin vesicula, diminutive of vesica 'bladder'.

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