: any of a group of glycoproteins of cell surfaces, blood plasma, and connective tissue that promote cellular adhesion and migration

Word History

Etymology

fibr- + Latin nectere to tie, bind + English -in

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of fibronectin was in 1976

Browse Nearby Words

Cite this Entry

“Fibronectin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibronectin. Accessed 21 Mar. 2025.

Medical Definition

fibronectin

noun
: any of a group of glycoproteins of cell surfaces, blood plasma, and connective tissue that promote cellular adhesion and migration
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