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Glossary of Physiology Terms -
Impermeant

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Impermeant

Definition:
Not permeant. Incapable of passing through or penetrating. Impermeant refers to the inability of a substance (e.g., ion or molecule) to cross (i.e., permeate or penetrate) a biological membrane or channel pore. For example, it can be said that ions are membrane impermeant.

See also permeant.

Related glossary terms/phrases:
Permeant
Permeability
Permeable
Impermeable

See also:
Lipid Bilayer Permeability




Posted: Wednesday, January 1, 2014
Last updated: Wednesday, March 12, 2025
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