Definition of Ion channel

1. Noun. (biochemistry) a protein complex or single protein which penetrates a cell membrane and catalyzes the passage of specific ions through that membrane. ¹

¹ Source: wiktionary.com

Medical Definition of Ion channel

1. A transmembrane pore that presents a hydrophilic channel for ions to cross a lipid bilayer down their electrochemical gradients. Some degree of ion specificity is usually observed and typically a million ions per second may flow. Channels may be permanently open, like the potassium leak channel or they may be voltage gated, like the sodium channel or ligand gated like the acetylcholine receptor. (27 Oct 1998)

Lexicographical Neighbors of Ion Channel

iodurets
ioduria
iodyrite
iodyrites
ioglycamic acid
iohexol
iolite
iolites
iometer
ion
ion-selective electrode
ion-selective electrodes
ion-selective membrane
ion beam
ion carrier
ion channel
ion channel gating
ion channelopathy
ion channels
ion cyclotron emission
ion diode
ion engine
ion engines
ion exchange
ion exchange chromatography
ion exchange resin
ion exchange resins
ion exchanger
ion milling
ion mirror

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