primordium

noun
pri·​mor·​di·​um | \prī-ˈmȯr-dē-əm \
plural primordia\prī-​ˈmȯr-​dē-​ə \

Definition of primordium 

: the rudiment or commencement of a part or organ

First Known Use of primordium

1855, in the meaning defined above

History and Etymology for primordium

New Latin, from Latin

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The first known use of primordium was in 1855

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More Definitions for primordium

primordium

noun
pri·​mor·​di·​um | \-ē-əm \
plural -dia\-​ē-​ə \

Medical Definition of primordium 

: the rudiment or commencement of a part or organ : anlage the gonadal primordium

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