Correct tight junctions between cells labeled in yellow due to the presence of the protein PARD3. (sciencedaily.com)
High cortisol also alters tight junctions between cells such that small harmful substances may pass through the barrier. (mindbodygreen.com)
Since the scientists had eliminated the tight junctions between cells, they concluded that this result was not an indirect effect of the ion's size (as a previous theory had suggested), but instead indicated a direct interaction between the taste cell and the negative ion. (monell.org)