Terminal bar (histology)

Terminal bar

Details
Function| Unresolved group of junctional complexes
Anatomical terms of microanatomy

[edit on Wikidata]

Terminal bar is a histological term given to the unresolved group of junctional complexes that attach adjacent epithelial cells on their lateral surfaces: the zonula occludens, zonula adherens, macula adherens and macula communicans.[1][2]

Using light microscopy, the terminal bar appears as a bar or spot at the apical surface of the cell, wherein the structures listed cannot be resolved. With electron microscopy, it can be visually disseminated into these structures.

The terminal bar is located on the lateral surface of epithelial cells, where the lateral surface meets the apical surface. It should not be confused with the terminal web, which is an actinous web underlying microvilli on specialized epithelial cells.[3]

## References[edit]

1. ^ "Microscopic Anatomy Vocabulary List". IFM Microanatomy. Drexel University. Archived from the original on 4 March 2016.
2. ^ Cereijido, Marcelino; Anderson, James M. (2001). Tight Junctions. Taylor & Francis. p. 20\. ISBN 9780849323836.
3. ^ Henrikson, Ray C.; Mazurkiewicz, Joseph E. (1997). Histology. Lippincott Williams & Wilkins. p. 57\. ISBN 9780683062250.

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