MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Arthritis
Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, warmth, swelling, redness and pain. There are over 100 types of arthritis. (see osteoarthritis, rheumatoid arthritis, ankylosing spondylitis…
Read the definitionRandom terms
Show more- Leg In popular usage, the leg extends from the top of the thigh down to the foot. However, in medical…
- LLQ Abbreviation for the left lower quadrant (quarter). The LLQ of the abdomen contains the descending portion of…
- The South Beach Diet The South Beach Diet is a weight loss plan described by cardiologist Arthur Agatston, MD in a best-selling…
- Acid, folic One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (DNA and RNA). A…
- Cervicitis Inflammation of the cervix
- Infantile autism Autism: (Also called autism.) A spectrum of neuropsychiatric disorders characterized by deficits in social…
- Swallower In the drug trade, an individual used as a drug courier. Also called a body packer. See: Body packer
- Childhood liver cancer Primary cancer of the liver (cancer that starts in the liver) in children, a relatively rare malignancy in…
- Tarsus, bony See: Bony tarsus
- Drusen Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is…
- Fear of bacteria Eria): An abnormal and persistent fear of bacilli (bacteria). A phobia is an unreasonable sort of fear that…
- U.S. National Library of Medicine (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…