• Stedman's Medical Dictionary   
• The Medlingua Project-Doctors: Communicate with your heterolingual patients!
• Medline On-line Medical Dictionary (British)
• Medlink Medical Dictionary
• MedTerms Medical Online Dictionary
• The On-line Hypertext Medical Dictionary
• Dorland's Illustrated Medical Dictionary
• Online Medical Dictionary
• University of Kentucky Healthcare Glossary
• University of Miami Online Medical Dictionary
• University of Miami Online Dictionary of Diseases and Conditions

• Drugs and Herbs
• Health
• Medical Tests
• Support Groups
• Symptoms
• Wellness

• Allergy Glossary
• Allergy Glossary: The Respiratory System
• Glossary of Allergy Terms (New Zealand)
• Allergy Glossary
• List of Allergy Terms

• Baby, Pregnancy and Early Childhood Glossary
• Children's Health and Wellness Glossary
• Dictionary of Pregnancy and Birth
• Glossary of Pregnancy & Childbirth
• Lamaze Childbirth Glossary
• Johnson's Baby Glossary
• List of Birthing Terms
• List of SIDS-Related Terms
• Glossary of Infertility
• Glossary of Cloning
• Pregnancy and Birth Glossary
• Pregnancy and Parenting Glossary

AIDS Dictionaries

• Aids 101 Glossary
• Aids Glossary of Medical, Statistical, and Clinical Research Terminology
• Glossary of HIV and Aids Related Terms
• HIV-Aids Glossary
• AIDS Treatment Issues Glossary

Cancer Dictionaries

• ABTA Glossary for Brain Tumor Patients
• Breast Cancer Dictionary
• Breast Cancer Wordlist
• Cancer Glossary
• Cancer Glossary
• CancerNet Dictionary of Cancer Terms
• Eye Cancer Wordlist
• Glossary of Cancer Terms
• NIH Comprehensive Glossary of Cancer-related Terms
• Glossary of Terms for Bone Marrow Transplant
• Leukemia and Bone Marrow Transplant Glossary

Genetics Dictionaries

• National Center for Biotechnology Information Taxonomy Database
• Glossary of Genetic Terms
• Genomics Glossaries (Registration Required)
• A Genetics Glossary
• Glossary of the Science of Genetics
• Harcourt Glossary of Genetics
• Human Genome Project Glossary
• A Hypermedia Glossary of Genetic Terms
• A Microbial Genetics Glossary

Parkinson's Disease

• Parkinson's Disease Glossary of Terms
• Parkinson's Disease Glossary
• Glossary Published by The Parkinson's Society of Southern Alberta
• APDA Parkinson's Disease Glossary.
• Michael J. Fox Foundation Glossary
• WeMove Glossary of Terms
• Glossary Of Parkinson's Disease Drug Treatment

Vision Dictionaries

• Glossary of Vision Research
• Glossary of Vision and Refractive Surgery Terms
• Laser Eye Surgery Vocabulary

Miscellaneous Medical Terminology

• Dictionary of Medical Sciences
• AcroMed - Acronym Search
• Acoustic Disorders Glossary
• Abbreviated Medical Dictionary
• CHORUS: Collaborative Hypertext of Radiology
• Department of Defense Glossary of Health Care
• Dictionary Barn's Medical Dictionary
• Dictionary of Medical & Surgical Glossary Terms
• A Dictionary of Alternative-Medicine Methods
• Dictionary of English Medical Terms
• Emergency Medicine (large listing of general terms)
• Glossary of Archaic Medical Terms
• Glossary of Anatomical, Functional, and Disease Terms in Neuroscience
• Glossary of New Drugs, Equipment and Procedures
• Glossary of Histological and Micro-Anatomical Terms
• Glossary of New Surgical Terms
• Glossary of Pathology
• Glossary of Terms Related to the Hanta Virus
• Hepatitis (Liver Disease) Glossary
• HON Dictionary of Food Intolerance
• The Internet Drug Index.
• MedicineNet Medical Dictionary
• Medical Acronyms of the UK
• Mental Health on the Internet (Canadian site)
• Merck Home Medical Manual On-Line
• MT Desk Lists of Medical Terms
• Multiple Sclerosis Terms.
• Sex Therapy Glossary
• Surgical Glossary
• Vocabulary of Trauma
• Cooperative Online Glossary of Trauma.
• Wordlist of Medical and Scientific Terms Related to Chronic Fatigue Syndrome

Medical Dictionary Indexes

• Index of On-line Medical and Science Dictionaries
• Medical Online Glossaries & Resources
• See also Biology
• See also Science