the first recognizable, histologically differentiated stage in the development of an organ.
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How to use primordium in a sentence
According to the author, anlage may be variously rendered as rudiment, inception or primordium.The Popular Science Monthly, July, 1900 | Various
British Dictionary definitions for primordium
biology an organ or part in the earliest stage of development
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012