• synonyms

Christmas factor

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noun Biochemistry.
  1. a blood constituent necessary for clotting, the absence of which is characterized by a hemophilialike condition.
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Origin of Christmas factor

see origin at Christmas disease
Also called factor IX, plasma thromboplastic component.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

christmas factor in Medicine

Christmas factor

  1. factor IX