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).
Speculum, ear
An instrument inserted into the auditory canal of the ear to increase the circumference of the tunnel-shaped canal walls. (The auditory canal begins at the circular opening of the ear and continues a distance of about one inch [about 2 1/2…
Read the definitionRandom terms
Show more- Spinous process A slender projection from the back of a vertebra to which muscles and ligaments are attached
- Premature beat See: Extrasystole
- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Nephrosis Non-inflammatory, non-neoplastic disease of the kidney. Nephrosis an be caused by kidney disease, or it may…
- Diaphragmatic pacing See: Diaphragm pacing
- Circulation The movement of fluid in a regular or circuitous course. Although the noun 'circulation' does not necessarily…
- Electroshock therapy See Electroconvulsive therapy
- Embolism, paradoxical Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel…
- Subutex Brand name for buprenorphine
- Saliva A watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva…
- MRI Abbreviation and nickname for magnetic resonance imaging. For more information, see: Magnetic Resonance…
- Mitochondrial Referring to mitochondria. The mitochondria are normal structures called organelles in cells. They are…