View source for Fractional absorption in the gastrointestinal tract

[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
The fraction of an element directly absorbed from the alimentary tract into blood, referred to as the gut transfer factor, and designated as f<sub>1</sub> in the [[ICRP Publication 30]] gastrointestinal tract model and f<sub>A</sub> in the revised [[ICRP Publication 100]] [[Human Alimentary Tract Model]].

(Adapted from [[ICRP Publication 130]], 2015)

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== Previous glossary entries ==

=== from [[ICRP Publication 119]], 2012 ===

The f<sub>1</sub> value is the fraction of an ingested element absorbed directly into body fluids.