Cross-Sectional Anatomy (2)

University of Florida, Gainesville, USA, last update 2000

HistoWeb (2)

University of Kansas, Lawrence, USA

Lumen Dissector (2)

J. A. McNulty, University of Loyola, Chicago, USA, last update 2013

HistoWebAtlas (2)

University of Dusseldorf, Dusseldorf, Germany, in German

Catalog of Clinical Images (20)

Ch. Goldberg, University of California, San Diego

The American Journal of Pathology (2)

Journal, Elsevier Inc., Amsterdam, Netherlands

The Visible Human Project (2)

U.S: National Library of Medicine, Bethesda, MD, USA