gap junction

noun

Definition of gap junction

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

Examples of gap junction in a Sentence

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.

First Known Use of gap junction

1967, in the meaning defined above

Keep scrolling for more

Learn More About gap junction

Time Traveler for gap junction

Time Traveler

The first known use of gap junction was in 1967

See more words from the same year

Dictionary Entries Near gap junction

gapeworm

gap-framepress

gaping

gap junction

gapped scale

gapper

gap-toothed

See More Nearby Entries 

Statistics for gap junction

Cite this Entry

“Gap junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gap%20junction. Accessed 24 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for gap junction

gap junction

noun

Medical Definition of gap junction

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

Other Words from gap junction

gap-junctional \ ˈgap-​ˌjəŋk-​shən-​əl, -​shnəl How to pronounce gap junction (audio) \ adjective

More from Merriam-Webster on gap junction

Britannica.com: Encyclopedia article about gap junction

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!