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Definition of Ion channels
1. Noun. (plural of ion channel) May refer to either multiple ion channel classes or to multiple members of a single class. ¹
¹ Source: wiktionary.com
Medical Definition of Ion channels
1. Gated, ion-selective glycoproteins that traverse membranes. The stimulus for channel gating can be a membrane potential, drug, transmitter, cytoplasmic messenger, or a mechanical deformation. Ion channels which are integral parts of ionotropic neurotransmitter receptors are not included. (12 Dec 1998)