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).
Beta particle
An electron ejected from the nucleus of a decaying atom. Although beta particles can be stopped by a thin sheet of aluminum, they can penetrate the dead skin layer, potentially causing burns. They can pose a serious direct or external…
Read the definitionRandom terms
Show more- Hapten In immunology, a molecule that is incapable, alone, of causing the production of antibodies but which can do…
- Synesthete A person with synesthesia, a condition in which the normally separate senses are not separate. Sight may…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- KHM Keratoderma hereditarium mutilans. See: Vohwinkel syndrome
- Test, sweat chloride See: Sweat test
- Rat, cotton See: Cotton rat
- Ferritin The major iron storage protein. The blood level of ferritin serves as an indicator of the amount of iron…
- Q fever A vaccine against Q fever, an illness first recognized in Australia in the 1930's that affects people dealing…
- Co-morbid Pertaining to two or more disorders simultaneously
- Pressure urticaria A common type of hives (urticaria) that occurs after the skin has been under pressure, often the feet after…
- Proton magnetic resonance spectroscopic imaging See: Magnetic resonance spectroscopic imaging
- Mortality A fatal outcome or, in one word, death. The word 'mortality' is derived from 'mortal' which came from the…