Noun
English Wikipedia has an article on:fibronectinWikipedia
fibronectin (countable and uncountable, plural fibronectins)
(biochemistry) An adhesive blood glycoprotein that has several cellular functions
Fibronectin in the Reinke's space appeared to guide those fibers and orient the fibril deposition. Source: Internet
Fibronectin also acts as a skeleton for the elastic tissue formation. Source: Internet