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Chimerism

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Definition: The occurrence in an individual of two or more cell populations of different chromosomal constitutions, derived from different individuals. This contrasts with MOSAICISM in which the different cell populations are derived from a single individual.     
See Also Chimera; Mosaicism 		Other names Microchimerism

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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