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.
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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).
Macule
A small localized change in the color of skin that is neither raised (elevated) nor depressed. Macules are never large. They are basically little spots or blemishes in the skin. They are entirely flat and can only be appreciated by visual…
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Show more- Apert syndrome A malformation syndrome characterized by a high short skull, underdevelopment of the midface, soft tissue and…
- Deja vu (In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent…
- Nucleocapsid The genome + the protein coat of a virus. The nucleic acid (RNA or DNA) of the virus is its genome. The…
- Pasteurization A method of treating food by heating it to a certain point to kill pathogenic (disease-causing) organisms but…
- Enzyme replacement A strategy designed to replace missing enzyme activity in a patient. This strategy currently involves the…
- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Dissect To cut apart or separate tissue as, for example, for anatomical study or in surgery. Also, an artery is said…
- Aneurysm, fusiform An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Reproduction The production of offspring. Reproduction need not be sexual. Yeast can reproduce by budding
- Superior vena cava syndrome Superior vena cava syndrome: The symptoms that result from compression of the large vein that carries blood…
- Anterior tongue The front two-thirds of the tongue. In contrast to the base of the tongue, which is the back third. The…
- Nephrologist A medical specialist in nephrology (the study of the kidney or 'kidney-ology')