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).
Tobacco
A South American herb, formally known as Nicotiana tabacum, whose leaves contain 2-8% nicotine and serve as the source of smoking and smokeless tobacco. Nicotiana tabacum belongs to the nightshade family, which also includes potatoes…
Read the definitionRandom terms
Show more- Renal capsule The fibrous connective tissue that surrounds each kidney
- Pulseless disease Takayasu disease. Called pulseless disease because inflammation of blood vessels (vasculitis) can lead to…
- Vaccination, DPT See: DPT immunization
- Agent, antifungal A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- Lipid profile Pattern of lipids in the blood. (A lipid profile usually includes the total cholesterol, high density…
- PSP Progressive supranuclear palsy, a neurologic disorder of unknown origin that gradually destroys cells in many…
- Complement system A series of molecules that work together to perform many immune system functions. For example, the complement…
- Aquaporin A water channel. Aquaporins form pores in the membranes of cells and selectively conduct water molecules…
- Citrovorum factor See: Leucovorin
- Eye pressure test A standard eye test that determines the fluid pressure inside the eye. The test is called tonometry…
- Extracorporeal membrane oxygenation (ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a…
- Gephyrophobia An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…