There are various websites that offer libraries of medical images, including the ScienceSource, Custom Medical Stock Photo and USA.gov websites. The images on the USA.gov website are public domain and free to use, while those at ScienceSource are paid. Images from Custom Medical Stock Photo are royalty-free and free to use, notes the CMSP website.
ScienceSource has stock images related to genetics, bacteria, diabetes, cancer, anatomy, medical specialties, infection and the human brain, among others, notes the ScienceSource website. Custom Medical Stock Photo has galleries on such topics as dermatology, surgery and eye problems, while USA.gov offers links to galleries on disease control, cancer, general health, medical science, biomedical imaging, allergies, arthritis, eyes and other topics.