Primordium definition

prī-môrdē-əm
Frequency:
(embryology) The first recognizable aggregation of cells that will form a distinct organ or part of the embryo.
noun
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An organ or a part in its most rudimentary form or stage of development.
noun
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An organ or a part in its most rudimentary form or stage of development.
noun
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(anatomy) An aggregation of cells that is the first stage in the development of an organ.
noun
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Other Word Forms

Noun

Singular:
primordium
Plural:
primordia

Origin of primordium

  • Latin prīmōrdium primordial

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