English

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Alternative forms

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Etymology

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micro- +‎ chimera

Noun

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microchimera (plural microchimeras)

  1. (biology) A microchimeric cell
  2. (human biology) A type of human chimera produced when fetal stem cells or maternal cells cross the placenta (fetal-maternal microchimerism) or following blood transfusion (transfusion-associated microchimerism) or organ transplantation.