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).
Radon
A radioactive element formed as a gas during the breakdown of radium.
Read the definitionRandom terms
Show more- R-tPA Recombinant tissue plasminogen activator. See: Tissue plasminogen activator
- Memory, explicit See: Explicit memory
- Cell, alpha (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Ligament, posterior cruciate The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Bacille Calmette Guerin An effective immunization against tuberculosis. Commonly abbreviated BCG, it is an attenuated (weakened)…
- Silver bullet Or magic bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term magic bullet…
- Disease, Castleman A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes…
- Rhinitis, allergic The medical term for hayfever. (Hay fever is a misnomer since hay is not a usual cause of this problem and…
- Mucopolysaccharidosis type IIID Morquio syndrome due to deficiency of the enzyme N-acetylgalactosamine-6-sulfate sulfatase. See also…
- Enuresis Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys…
- Flatulent Pertaining to flatulence, the generation of excess gas in the intestinal tract. From the Latin flastus…
- Maimonides' prayer R of a Physician: A prayer that is said to have been written by the 12th-century physician-philosopher Moses…