Meanings
- uncountablebiochemistryA protein that modulates the permeability of tight junctions between cells of the wall of the digestive tract.
Origin
From zonula + -in, after zonula occludens toxin, of which it is the target.
Full word history & related roots →Cite this entry
zonulin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/zonulin
“zonulin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/zonulin. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “zonulin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/zonulin.
Source: zonulin on Wiktionary, CC BY-SA 4.0.