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).
Disease, Legionnaire
A disease due to the bacteria Legionella pneumophila found in plumbing, shower heads and water-storage tanks. Outbreaks of Legionella pneumonia have been attributed to evaporative condensers and cooling towers. The bacteria thrives in the…
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Show more- Chancre The classic painless ulcer of syphilis. The chancre forms in the first (primary) stage of syphilis. It is…
- Dys- Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- Arachnophobia An abnormal and persistent fear of spiders. Sufferers from arachnophobia experience undue anxiety even though…
- Genitalia, male See: Male genitalia
- Margaret Mead See: Mead, Margaret
- Diabetes Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mellitus and diabetes…
- Colitis, ulcerative A relatively common disease that causes inflammation of the large intestine (the colon). The cause is…
- Decease To depart from life; to die
- DPT immunization Immunization to protect against diphtheria, pertussis (whooping cough), and tetanus. DPT immunizations are…
- Deficiency, FAO Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- MSTN The gene for myostatin
- LCL (lateral collateral ligament) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…