1 ion channel | Definition of ion channel

ion channel

noun

Definition of ion channel

: a cell membrane channel that is selectively permeable to certain ions (as of calcium or sodium)

Examples of ion channel in a Sentence

Recent Examples on the Web

After a single two-day bath in a widely available ion channel drug, the tadpoles rearranged themselves and grew as normal. β€” Sally Adee, Quartz, "Our bodies are full of electricity that could help us fight cancer," 30 May 2019 Scientists could now clone cells with and without particular ion channels and see what happened. β€” Sally Adee, Quartz, "Our bodies are full of electricity that could help us fight cancer," 30 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ion channel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of ion channel

1985, in the meaning defined above

Keep scrolling for more

Keep scrolling for more

More Definitions for ion channel

ion channel

noun

Medical Definition of ion channel

: a cell membrane channel that is selectively permeable to certain ions (such as of calcium or sodium) Researchers now know that not only do all cells, including nerve cells, have ion channels through which substances such as sodium and calcium move in and out, but that particular subtypes of sodium channels govern the transmission of pain.β€” Judy Foreman, The Los Angeles Times, 24 Nov. 2003
Γ—

You're never
too cool to learn something new.

Sign up for our Word of the Day
daily newsletter!