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).
Isotope
A form of a chemical element with the same atomic number as another element but having a different atomic mass. Isotopes are used in a number of medical tests.
Read the definitionRandom terms
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- Gallus gallus The Red Jungle Fowl, the ancestor of domestic chickens
- Nef gene Short for negative factor gene, a gene the absence (or defect) of which diminishes the strength of a disease…
- Non-inferiority clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Brain tumor El ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Brain tumor Main…
- American Psychiatric Association A medical specialty society with over 35,000 US and international member physicians who 'work together to…
- Wheezer A slang term for a patient who is wheezing. Sometimes applied to someone having serious trouble breathing
- DXA bone scan See: DXA
- I(17q) Symbol for: Isochromosome 17q
- Zinc oxide A form of zinc that has antispasmodic qualities
- Ampulla In anatomy, a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts…
- Actinic keratosis Our Actinic keratosis Main Article provides a comprehensive look at the who, what, when and how of Actinic…