Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary offers fast and concise information, whether the user is searching for a description of an over-the-counter or prescription medication, a medical abbreviation, a test procedure, a medical research topic, or an illness. Over 45,000 entries from all areas of medicine and healthcare are included.

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literature.

wiseGEEK: clear answers for common questions

Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

A directory of real world knowledge.

Find the Web's best health guides, medical reports, health news, and videos for any health topic.

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical symptoms, treatments, drugs, and nutrition.

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.