"Lab Tests Online is an award-winning health information web resource designed to help patients and caregivers understand the many lab tests that are a vital part of medical care." (text from site)
"The WebPath® educational resource contains over 2700 images with text that illustrate gross and microscopic pathologic findings along with radiologic imaging associated with human disease conditions. For self-assessment and self-directed study there are over 1300 examination items. There are more than 20 tutorials in specific subject areas. These computer-aided instructional materials support educational programs in the health sciences." text from site)