Search for medical terms using our medical dictionary. Our dictionary contains definitions and explanations of thousands of medical terms and also features pronunciations and abbreviations. You can search for medical dictionary definitions using either the search system or alphabetical listing. As an extra feature, we have included a fuzzy search that uses Google's search engine to provide alternative variations on your search.
Created by a Working Group at the Centers for Disease Control Prevention (CDC), the 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.