Veterinary sites

• BioMed image archive
  A collection of medical, dental and veterinary images for use in teaching

Human sites

• Atlas of Gastrointestinal Endoscopy
  Now featuring 904 endoscopic images
• Hardin MD
  Medical Pictures / Disease Pictures from Hardin Library for the Health Sciences.
• HON (Health on the Net) Foundation
  HONmedia is an unique repository of over 3'300 medical images and videos.
• Images from the History of Medicine (IHM)
  Provides access to the nearly 60,000 images in the prints and photograph collection of the History of Medicine Division (HMD) of the U.S. National Library of Medicine (NLM). The collection includes portraits, pictures of institutions, caricatures, genre scenes, and graphic art in a variety of media, illustrating the social and historical aspects of medicine.
• Karolinska Institute
  Medical Images and Illustrations
• Medical Images on the Web
  Image resource links complied by medical librarian Theresa Arndt, University of Nebraska.
• Medical Matrix
  Enter the word atlas in the search form, and a great list pops up! (free registration)
• Neuroanatomy Interactive Syllabus
  Provided by John W. Sundsten, Ph.D. and Kathleen A Mulligan, Ph.D. University of Washington.
• NIH Image Bank
  Images come from the collections of the 27 institutes and centers that comprise the NIH. Contents include general biomedical and science-related images, clinicians, computers, patient care-related images, microscopy images, and various exterior images. Credit must be given to the National Institutes of Health/Department of Health and Human Services, unless otherwise instructed. NIH images are in the public domain and can not be copyrighted.
• Public Health Image Library (PHIL)
  Photographs, Illustrations, Audio/Visuals and Animations from the Centers for Disease Control and Prevention.
• Turning Research Into Practice (TRIP)
  The TRIP Database is a searchable resource for evidence-based medicine, medical images, and patient information leaflets. It allows users to easily and rapidly identify high quality evidence from a wide range of sources.

General sites

• Animal Science Image Gallery
  This site is designed to provide agriculture and life science faculty throughout the world with images, animations, and video that they can use in their classroom teaching. Each of the files includes extensive information about the image, so you can be sure of exactly what the image is depicting.