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).
Peanut allergy
An allergic reaction to peanuts, the leading cause of anaphylaxis, the most severe and potentially life threatening allergic reaction, and the leading cause of death from food allergy in the US and other Western nations. The prevalence of…
Read the definitionRandom terms
Show more- Fatal familial insomnia Abbreviated FFI. An hereditary prion disease characterized by disrupted sleep (insomnia), motor abnormalities…
- L- Abbreviation for levorotatory, applied to a chemical compound, as in l-dopa. Levorotary is opposed to…
- Erythroplakia A reddened patch with a velvety surface found in the mouth
- Triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. It is…
- Syndrome, Wolfram See: Wolfram syndrome
- Syndrome, antiphospholipid antibody An immune disorder characterized by the presence of abnormal antibodies in the blood associated with abnormal…
- Scan, DXA See: DXA
- Nosocomial Originating or taking place in a hospital, acquired in a hospital, especially in reference to an infection…
- TMJ syndrome Disorder of the temporo-mandibular joint(s) causing pain usually in front of the ear(s).
- Barosinusitis Sinus troubles, particularly with pain, due to changing atmospheric pressures, as when going up or down in a…
- Exchange, gas The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the…
- Sight, day Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…