CDC Public Health Image Library (PHIL) - PHIL offers an organized, universal electronic gateway to CDC's pictures. The content is organized into hierarchical categories of people, places, and science, and is presented as single images, image sets, and multimedia files.
CDC DPDx Parasite Image Library - CDC’s Division of Parasitic Diseases and Malaria (DPDM) uses the Internet to strengthen diagnosis of parasitic diseases. DPDx offers two complementary functions: A Reference and Training function, in which all users can browse through concise reviews of parasites and parasitic diseases, including an image library and a review of recommended procedures for collecting, shipping, processing, and examining biologic specimens. The second function provides a Diagnostic Assistance function, in which laboratory and other health professionals can ask questions and/or send digital images of specimens for expedited review and consultation with DPDx staff. This assistance is free of charge. Most material is free of copyright however the life cycle images of Blastocystis and Pneumocystis, and electron micrograph images of Gnathostoma ARE copyrighted you must obtain permission from the original copyright holder before using these in publications.
NIH NCI Visuals Online - Images from the from the National Cancer Institute
Library of Congress Digital Collections: The Library of Congress believes this content is either in the public domain, has no known copyright, or has been cleared by the copyright owner for public use. The digital collections comprise millions of items including books, newspapers, manuscripts, prints and photos, maps, musical scores, films, sound recordings and more.
MedlinePlus Health Videos - These animated videos for patients and healthcare providers feature the anatomy of body parts and organ systems and how diseases and conditions affect them.
MedlinePlus Surgery Videos - Prerecorded webcasts of surgical procedures. These are actual operations performed at medical centers in the United States. The videos are in Flash format. You will need Flash Player to view the program.
Open-I - Open Access Biomedical Images search engine. Access images in the National Library of Medicine's PMC (formerly PubMed Central) – an open archive of free full-text biomedical and life sciences journal literature.
USA.gov - USA.gov searches only federal, state, and local government websites for the public. Its search box works like other search engines you're used to, but USA.gov only returns results from government web pages, most ending in .gov or .mil.
American Society of Hematology Library - A Web-based image library that offers a comprehensive collection of images relating to a wide range of hematologic topics.
The Cell - A repository for images and movies of cells from a variety of organisms. It demonstrates cellular architecture and functions with high quality images, videos, and animations.
ClinicalKey Multimedia Database - Images from the Library's ClinicalKey Database may be used in PowerPoints.
Procedures Consult - Select Procedures Consult from the search box dropdown within ClinicalKey. Detailed video, text and illustrations covering top medical procedures, with a focus on patient safety guidelines. Each includes discussion of indications, contraindications, anatomy, equipment used, complications, etc, with references. Adding ClinicalKey Images to a PowerPoint - INSTRUCTIONS
iBiology - a database of open-access free videos that share the excitement of modern biology and the process by which scientific discoveries are made, supporting educators who want to incorporate materials that illustrate the process and practice of science into their curriculum. It includes over 300 seminars and short talks by leading scientists.
Dermis IS - DermIS.net is the largest dermatology information service available on the internet. It offers elaborate image atlases (DOIA and PeDOIA) complete with diagnoses and differential diagnoses, case reports and additional information on almost all skin diseases.
Health Education Assets Library (HEAL) - a digital library of freely available multimedia teaching resources for the health sciences. HEAL provides access to tens of thousands of images, videoclips, animations, presentations, and audio files that support healthcare education.
Google Images Advanced Search - Narrow your results by usage rights, or by domain (.gov) - Most U.S. government images are copyright-free. ALWAYS CHECK COPYRIGHT.
HONmedia - An unique repository of over 6,800 medical images and videos, pertaining to 1,700 topics and themes.
MEDSKL - Designed for medical school students and practicing physicians to learn and review the fundamentals of clinical medicine. Content comes from a collaboration of nearly 200 of the best medical school professors from around the world. Free registration required
Pixabay - Free photos for commercial and private use - no attribution necessary. Some photos may come from other websites, such as Shutterstock, which may not fall under public domain - check each photo to ensure that it is public domain.
Public Domain Images - Search public domain clip art and photos by category. All photos on this site were taken by the author and released as public domain.
Radiopedia - a free educational radiology resource with one of the web's largest collections of radiology cases and reference articles.
Unsplash.com - All photos published on Unsplash are licensed under Creative Commons Zero which means you can copy, modify, distribute and use the photos for free, including commercial purposes, without asking permission from or providing attribution to the photographer or Unsplash.