MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Eastern equine encephalitis
Abbreviated EEE. A mosquito-born viral disease. The EEE virus normally is found in freshwater swamp birds and mosquitoes that do not bite people. However, the virus is occasionally transmitted to other types of mosquitoes capable of biting…
Read the definitionRandom terms
Show more- Pandemic An epidemic (a sudden outbreak) that becomes very widespread and affects a whole region, a continent, or the…
- Blackhead A familiar term for what is medically called an open comedo. A comedo, the primary sign of acne, consists of…
- Tendon, Achilles See: Achilles tendon
- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Coffin-Lowry syndrome An X-linked form of mental retardation in which the affected males have short stature and characteristic…
- Hydrops fetalis Gross edema (swelling), usually with anemia, of the fetus. It can be due to Rh blood group incompatibility…
- Eczema, nummular Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Fibula The lateral (outside) and smaller of the two long bones in the lower leg between the knee and ankle. (The…
- Uncertainty You may be uncertain why 'uncertainty' deserves a place in a medical dictionary but some would say that…
- Ramsay Hunt syndrome Ramsay Hunt syndrome: A herpes virus infection of the geniculate nerve ganglion that causes paralysis of the…
- Hyperlipidemia High lipid (fat) levels in the blood.
- Olfactory disorder A loss in the ability to smell or a change in the way odors are perceived. Reduction of the sense of smell is…