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Vesicle vs Undefined - What's the difference?

vesicle | undefined |

As a noun vesicle

is (cytology) a membrane-bound compartment found in a cell.

As an adjective undefined is

lacking a definition or value.

vesicle

English

(wikipedia vesicle)

Noun

(en noun)
  • (cytology) A membrane-bound compartment found in a cell.
  • A small bladder-like cell or cavity.
  • (anatomy) A small sac or cyst or vacuole, especially one containing fluid. A blister formed in or beneath the skin, containing serum. A bleb.
  • (anatomy) A pocket of embryonic tissue that is the beginning of an organ.
  • (geology) A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
  • * 2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 51:
    • It frequently contains holes, or vesicles , especially nearer the surface of a flow where gas has escaped.

    Related terms

    * vesica * vesication * vesiculation

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined