Microchimerism

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Notion

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Science and technology

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What Wikipedia says

Microchimerism is the presence of a small number of cells in an individual that have originated from another individual and are therefore genetically distinct. This phenomenon may be related to certain types of autoimmune diseases although the responsible mechanisms are unclear.

Excerpt from the Wikipedia article “Microchimerism”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Marnanel, CC BY-SA 4.0, via Wikimedia Commons.