Zygote Body, originally called Google Body, is an anatomy tool that allows you to manipulate a virtual human body. A free sign-up is required.
Human Body Maps is an interactive anatomy tool, but with the ability to rotate images in 3D.
InnerBody is also an interactive anatomy system that allows you to study particular body systems
The Medical Animation Library from the Penn Medicine website provides links to many medical animations arranged by body system and medical specialty.
The Wellcome Library has over 100,000 images related to the history of medicine available to download free under a Creative Commons license.
Eskeletons from the University of Texas Anthropology Department. A great way to study the human skeleton -- and the skeletons of other primates. Details photographs can be studied from several viewpoints.
The U.S. National Library of Medicine's Images from the History of Medicine collection provides access to over 70,000 digitized images, including portraits, photographs and posters.
From the National Library of Medicine, this is an open-access online database of medical images, teaching cases, and clinical topics, integrating images and textual metadata.
RadiologyInfo™ is a public information website developed and funded by the American College of Radiology (ACR) and the Radiological Society of North America (RSNA). Includes videos & image samples.