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).
Coarctation
A narrowing, a stricture, a constriction. Although the best known coarctation is of the aorta, any artery can have a coarctation. The word 'coarctation' comes from the Latin 'coartare' meaning :to press together.' The sides of the vessel…
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Show more- Assisted suicide Suicide: The deliberate hastening of death by a terminally ill patient with assistance from a doctor, family…
- Microsomia Too small a body. A child with microsomia has significant undergrowth. The prefix 'micro-' is derived from…
- Ear thermometer A thermometer that registers body temperature via the ear canal. The ear thermometer was invented in 1964 by…
- Insect sting Stings from large stinging insects such as bees, hornets, yellow jackets and wasps can trigger allergic…
- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Patient controlled analgesia See: PCA
- Ear tag Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located…
- Medical history 1. In clinical medicine, the patient's past and present which may contain clues bearing on their health past…
- Sclerosis Localized hardening of skin
- Hypoxia-ischemia See hypoxia. Ischemia refers to blood flow to cells and organs that is not sufficient to maintain their…
- HIB This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Disease, Wilson An inherited disorder in which too much copper accumulates in the body. Although the accumulation of copper…