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).
Marker
A piece of DNA that lies on a chromosome so close to a gene that the marker and the gene are inherited together. A marker is thus an identifiable heritable spot on a chromosome. A marker can be an expressed region of DNA (a gene) or a…
Read the definitionRandom terms
Show more- Angle-closure glaucoma This condition can be acute or chronic. It consists of increased pressure in the front chamber (anterior…
- Reagent A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances
- Cyst, Meibomian See: Meibomian cyst
- Shunt, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…
- Hypercoagulable state A hypercoagulable state is the medical term for a condition in which there is an abnormally increased…
- Keratitis Inflammation of the cornea (the transparent structure in the front of the eye).
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…
- Micropigmentation Tattooing
- Extracorporeal shockwave lithotripsy See: Extracorporeal shock wave lithotripsy
- Beef tapeworm Taenia saginata, the most common of the big tapeworms that parasitizes people, contracted from infected raw…
- Nasal decongestant A drug that shrinks the swollen membranes in the nose, making it easier to breath. Decongestants can be taken…
- Itchy ear Itching of the ears. Can be the first sign of an ear infection, but if the problem is chronic, it is more…