Castle intrinsic factor


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in·trin·sic fac·tor (IF),

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.

Castle intrinsic factor

(kas'el)
[William Bosworth Castle, U.S. physician and physiologist, 1897–1990]
Intrinsic factor.

Castle,

William B., U.S. physician, 1897-1990.
Castle intrinsic factor - a relatively small mucoprotein required for adequate absorption of vitamin B12. Synonym(s): intrinsic factor