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Altmeyer's Encyclopedia is an independent, evidence-based medical information resource on specialist level. Since 1986 it has been continuously updated and expanded by only the most accomplished medical professionals in their field. It offers access to over 70,500 up to date articles and 17,200 high quality images from various disciplines.

News from the department of Internal medicine

Latest entry in the department of Internal medicine:

Tight Junctions

Tight Junctions Definition Tight junctions, TJs or zonula cccludens (ZO), are located at the border between the apical and lateral membrane cells.TJs are present in all epithelial and endothelial cells. They are located apically from the other three junctions and form a belt-like structure surrou...

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Prof. Dr. med. Peter Altmeyer

Editor-in-Chief

One of Germany's most accomplished dermatologists with decades of expertise in clinical dermatology. Emeritus professor at the Ruhr-Universität Bochum, author of more than 30 textbooks and over 700 scientific publications.