gap junction

noun

: an area of contact between adjacent cells characterized by modification of the plasma membranes for intercellular communication or transfer of low molecular-weight substances

Example Sentences

Recent Examples on the Web Cells have other options for exchanging molecules, most notably the structures called gap junctions and exosomes. Quanta Magazine, 23 Apr. 2018

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

Word History

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of gap junction was in 1967

Dictionary Entries Near gap junction

Cite this Entry

“Gap junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gap%20junction. Accessed 28 Mar. 2023.

Medical Definition

gap junction

noun
: an area of contact between adjacent cells characterized by modification of the plasma membranes for intercellular communication or transfer of low molecular-weight substances
gap-junctional adjective

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