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).
Differential diagnosis
The process of weighing the probability of one disease versus that of other diseases possibly accounting for a patient's illness. The differential diagnosis of rhinitis (a runny nose) includes allergic rhinitis (hayfever), the abuse of…
Read the definitionRandom terms
Show more- Neural foramen See: Intervertebral foramen
- Cyst A cyst is an abnormal, closed sac-like structure within a tissue that contains a liquid, gaseous, or…
- Passive smoking The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Hypertrophic hypoproteinemic gastropathy See: Giant hypertrophic gastritis
- Fred L. Soper See: Soper, Fred L.
- Drug Enforcement Administration (DEA) Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- PTHC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Headache, Hogwarts See: Hogwarts headache
- Syncope, coughing The temporary loss of consciousness upon coughing. Syncope is the temporary loss of consciousness or, in…
- Fatty acids Molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a…
- Antimalarial A drug directed against malaria. The original antimalarial agent was quinine which took its name from the…
- Macroglobulinemia A condition in which the blood contains high levels of large proteins and is too thick to flow through small…