CINAHL, the Cumulative Index to Nursing and Allied Health Literature, draws information from more than 3000 journals, including journals covering topics in molecular diagnostics.
This HUGE database is actually cross-searching the very large databases Academic Onefile and General Onefile, as well as other Gale databases, so it is a great place to look when you have a challenging topic to research.
3D interactive models of human anatomy as well as media, x-rays, MRIs, animations, and live-action movies. Video clips can be downloaded for use in presentations.