Definition of vesicle in English:

vesicle

noun

  • 1A fluid- or air-filled cavity or sac, in particular.

    • ‘It showed the characteristic vesicles of herpes.’
    • ‘There were a few vesicles and some sloughing of skin around the toes.’
    • ‘Neurons must recycle a finite number of vesicles.’
    • ‘In infants and small children, the scabies rash may include vesicles, pustules, or nodules, and the head and neck may not be spared.’
    • ‘Painful papules then occur, which progress to vesicles that ulcerate and eventually heal by developing crusts.’
    1. 1.1Zoology Anatomy A small fluid-filled bladder, sac, cyst, or vacuole within the body.
      • ‘The two vesicles resemble small, bulbous pouches and are located just above the prostate gland.’
      • ‘They are united by the presence of small vesicles in, or just under, the plasma membrane.’
      • ‘This process allows the vesicles to dock to that part of the membrane where the neurotransmitters are due to be released into the synapse (the active zone).’
      • ‘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.’
      bag, pouch, bladder, blister
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    2. 1.2Botany An air-filled swelling in a plant, especially a seaweed.
      • ‘Here we report that this defect formation is strongly enhanced by the membrane tension induced by osmotic swelling of vesicles.’
      • ‘When resin vesicles are damaged during seed processing, the result is generally a decline in seed germination.’
      • ‘Plant vesicle trafficking will serve similar functions to those seen in animals and yeast.’
      • ‘No significant differences were observed in the composition of vesicles isolated from nitrate-treated and control roots (not shown).’
      • ‘The properties of plasma membrane vesicles from wheat roots are also affected by deprivation of the intact plants.’
    3. 1.3Geology A small cavity in volcanic rock, produced by gas bubbles in the molten lava.
      • ‘In the road cuts of both early and later construction, rock was blasted that contains zeolite-filled vesicles.’
      • ‘Calcite, along with epidote, fills small vesicles in the basaltic dike rock.’
      • ‘A variety of minerals were deposited in the hollow vesicles.’
      • ‘In some lavas, rising gas bubbles may stretch out to form tubular vesicles.’
      • ‘The gray bar in the middle of the image represents the virtual projection of spectrometer slit onto the vesicle.’
      space, chamber, hollow, hole, pocket, pouch
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    4. 1.4Medicine A small blister full of clear fluid.
      • ‘Infected animals excrete virus in exhaled air, in saliva, in milk, in semen, in faeces, in urine and in ruptured vesicle fluid.’
      • ‘Skin infection begins as a raised itchy bump that resembles an insect bite but within one-two days develops into a vesicle and then a painless ulcer.’
      • ‘Chickenpox usually occurs in children, causing slight fever and an eruption of transparent vesicles (blisters).’
      • ‘In fact, she had beautiful skin apart from the scattered vesicles caused by the chicken pox.’
      • ‘Several hours or days following exposure, affected skin in a previously sensitized individual becomes itchy and red and may develop small vesicles or blisters.’
      bleb, bulla, pustule, vesicle, vesication, blain
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Origin

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

Pronunciation:

vesicle

/ˈvesək(ə)l/