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).
St. Louis encephalitis
A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex mosquito to people. St. Louis encephalitis occurs typically in the summer and early fall. In the U.S., the virus is rarely found…
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Show more- Paraskevidekatriaphobia Fear of Friday the 13th. The word 'paraskevidekatriaphobia' was devised by Dr. Donald Dossey who told his…
- Constrictive pericarditis Scarring of the pericardial sac. This limits the ability of the heart to function because it cannot expand…
- Knee bursitis Knee bursitis: A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between…
- Tuberculosis, pulmonary Tuberculosis (TB) infecting the lungs. This is the most common form of active TB. It can be easily…
- Chapped lips >Do not lick or bite the lips. >Use a chapstick or lipstick on the lips before going outside. Reapply it…
- Sedimentation rate Sedimentation rate: A blood test that detects and monitors inflammation in the body. It measures the rate at…
- Thermophobia An abnormal and persistent fear of heat, including hot weather and hot objects. Sufferers from thermophobia…
- Lanugo Downy hair on the body of the fetus and newborn baby. It is the first hair to be produced by the fetal hair…
- Sulfonamides The sulfa-related group of antibiotics, which are used to treat bacterial infection and some fungal…
- Brainstem implant A type of hearing aid that bypasses the cochlea in the middle ear and the auditory nerve and is implanted in…
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Melanoma, intraocular See: Intraocular melanoma