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).
NMR
Nuclear Magnetic Resonance. An imaging technique that does not use radiation.
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Show more- Gram stain The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Fistulize To form or make a fistula, an abnormal passageway. As, for example, fistulizing Crohn's disease
- Anti- Prefix generally meaning 'against, opposite or opposing, and contrary.' In medicine, anti- often connotes…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Backbone The spine. A flexible row of bones stretching from the base of the skull to the tailbone
- Rocky Mountain wood tick A tick that can transmit R. rickettsii, the agent of Rocky Mountain spotted fever. This tick is found in the…
- Blood The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Variolation The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- Onchocerciasis River blindness, a disease caused by a parasitic worm (Onchocerca volvulus) which is transmitted to persons…
- Utility In the analysis of health outcomes, utility is a number between 0 and 1 that is assigned to a state of health…
- San Joaquin Valley disease A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…