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| pri·mor·di·um [ prī máwrdee əm ] (plural pri·mor·di·a [ prī máwrdee ə ]) |
noun |
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| Definition: |
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early tissue growth: a tissue or organ in the earliest stage of embryonic development, found when the dividing cells in the fertilized ovum first differentiate
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| [Late 16th century. < Latin (see primordial)] |
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