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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Aluminum
A naturally occurring element that makes up about 8% of the surface of the earth and is always found combined with other elements such as oxygen, silicon, and fluorine. Aluminum is is the most common metallic element in the earth's crust…
Read the definitionRandom terms
Show more- Cashew allergy Allergy: An allergic reaction to cashew nuts. Cashew allergy can be isolated, meaning that the individual is…
- Human herpesvirus 8 (HHV-8) A herpesvirus that contributes to the development of Kaposi sarcoma, an otherwise rare form of cancer…
- Aetiology The study of the causes. For example, of a disorder. The word 'aetiology' is mainly used in medicine, where…
- System, autonomic nervous Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- Heat rash Heat rash: Heat rash is an irritation of the skin that results from excessive sweating during hot and humid…
- Optic glioma A benign tumor on an optic nerve or the optic chiasm (the crossing of the two optic nerves). Optic gliomas…
- Mortality rate, neonatal The number of children dying under 28 days of age divided by the number of live births that year. The…
- AAAS Spoken of as the 'triple-AS', the American Association for the Advancement of Science is an organization…
- OGG1 A DNA repair enzyme with antimutator activity. OGG1 is one of a number of enzymes that repair damage done to…
- Renal pelvis The area at the center of the kidney. Urine collects here and is funneled into the ureter
- Analytic specificity How well an assay detects only a specific substance and does not detect closely related substances
- H. floresiensis See: Homo floresiensis