Meanings
nountight junction (plural tight junctions)
plural tight junctions
- biologyAn intercellular junction between epithelial cells whose membranes join together to form a virtually impermeable barrier to fluid.
Synonyms: zonula occludens
Synonyms & antonyms
nounAn intercellular junction between epithelial cells whose membranes join together to form a virtually impermeable barrier to fluid.
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APA
tight junction. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tight%20junction
MLA
“tight junction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tight%20junction. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “tight junction,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tight%20junction.
Source: tight junction on Wiktionary, CC BY-SA 4.0.