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).
Power-of-attorney for health-care decision-making
See: Proxy. health care.
Read the definitionRandom terms
Show more- AV node An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the…
- Nerve, recurrent laryngeal One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- ATN Acute tubular necrosis
- Gynecology The branch of medicine particularly concerned with the health of the female organs of reproduction and…
- Rheumatoid factor Rheumatoid factor: Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a…
- Infarction, acute myocardial See: Acute myocardial infarction
- Nucleus, caudate See: Caudate nucleus
- Acrocyanosis Blueness of the extremities (the hands and feet). Acrocyanosis is typically symmetrical. It is marked by a…
- Tumor necrosis factor A member of a superfamily of proteins, each with 157 amino acids, which induce necrosis (death) of tumor…
- Encephalopathy, mitochondrial (MELAS) MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Strokelike episodes. MELAS is a…
- Deficiency, FALDH Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Genetics, forensic See: Forensic genetics