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).
Williams syndrome
See: Circle of Willis.
Read the definitionRandom terms
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- Scrub typhus A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- DSCR See: Down syndrome critical region
- Fusospirillary gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- No show Term used in the US for a patient who missed an appointment. (In the UK, a patient who failed an appointment…
- Chemical reaction A process in which one substance is transformed into another. Thousands of different types of chemical…
- Genome, Arabidopsis thaliana See: Arabidopsis thaliana genome
- Microscopic So small it cannot be seen without the aid of microscope. As opposed to macroscopic (large enough to be seen…
- Avery, Oswald Theodore (1877-1955) Distinguished Canadian-American bacteriologist and research physician and one of the founders of…
- Fever, splenic Known also as anthrax, splenic fever is a serious bacterial infection. It is not primarily a human disease…
- LUQ Abbreviation for the left upper quadrant (quarter). The LUQ of the abdomen contains the spleen. (By contrast…
- Heart block A block in the conduction of the normal electrical impulses in the heart.