ionophore

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ionophore

 [i´on-o-for″]
any molecule, as of a drug, that increases the permeability of cell membranes to a specific ion.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

i·on·o·phore

(ī-on'ō-fōr),
A compound or substance that forms a complex with an ion and transports it across a membrane.
[ion + G. phore, a bearer]
Farlex Partner Medical Dictionary © Farlex 2012

ionophore

(ī-ŏn′ə-fôr)
n.
A compound that facilitates the transport of ions across a cell membrane, either by binding with the ion or by creating a channel through the membrane.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

ion·o·phore

(ī-on'ō-fōr)
A compound or substance that forms a complex with an ion and transports it across a membrane.
[ion + G. phore, a bearer]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

ionophore

a compound that can increase the permeability of cell membranes to ions. Channel-forming ionophores form pores in the membrane allowing the passage of different ions, whilst mobile carrier ionophores diffuse in the membrane and can be ion-specific.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005