intrinsic factor

noun

Definition of intrinsic factor

: a substance produced by normal gastrointestinal mucosa that facilitates absorption of vitamin B12

First Known Use of intrinsic factor

1932, in the meaning defined above

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More Definitions for intrinsic factor

intrinsic factor

noun

Medical Definition of intrinsic factor

: a substance produced by the normal gastrointestinal mucosa that facilitates absorption of vitamin B12