Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry A protein that modulates the permeability of tight junctions between cells of the wall of the digestive tract.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

zonula +‎ -in, after zonula occludens toxin, of which it is the target.

Examples

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