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).
Pneuma
The life-giving principle. According to the school of medicine in ancient Alexandria, life was associated with a vapor called the pneuma. The belief in pneuma was called pneumatism. In hindsight, pneumatism was an early attempt to explain…
Read the definitionRandom terms
Show more- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…
- Kalemia The presence of potassium in the blood. The word 'kalemia' is seldom used today although it is the basis for…
- Amino acid One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…
- Angiitis, allergic granulomatous See: Churg-Strauss syndrome
- Anorexia nervosa Anorexia nervosa: See Anorexia.
- VHL Von Hippel-Lindau. See Von Hippel-Lindau syndrome
- Degeneration, macular Degeneration, macular: A disease that progressively destroys the macula, the central portion of the retina…
- Drain A device for removing fluid from a cavity or wound. A drain is typically a tube or wick. As a verb, to allow…
- Left hepatic duct The duct that drains bile from the left half of the liver and joins the right hepatic duct to form the common…
- Juvenile Between infantile and adult as, for example, in juvenile rheumatoid arthritis (onset before age 16 years) and…
- Random number table A table of numbers generated in an unpredictable, haphazard sequence. Tables of random numbers are used to…
- PX Medical abbreviation for prognosis