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Medical Term:

intrinsic factor


Definition: a small mucoprotein (MW about 45,000) secreted by the neck cell of the gastric glands and required for adequate absorption of vitamin B12 and other cobalamins; deficiency results in pernicious anemia.

Synonym(s): Castle intrinsic factor

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.