Intrinsic factor Sentence Examples

It is equally impossible to draw an exact line between variation induced by the environment and variation that may be termed intrinsic. Extrinsic and intrinsic factors are involved in every case, although there is a range from instances in which the external factor appears to be extreme to instances where the intrinsic factor is dominant.

In the effects of exercise, of physiological activity and the gross results of such external agencies as food, temperature, climate, light, pressure and so forth the intrinsic factor appears to become more important.

The absorption of this vitamin is dependent upon the production of a substance known as intrinsic factor.

Intrinsic factor is produced by the lining of the stomach, and if your stomach lining is damaged by gastritis you may not be making sufficient quantities of intrinsic factor for B12 absorption.