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).
Crohn colitis
Crohn disease involving only the large intestine (colon). Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect other parts of the digestive system as well. It is named…
Read the definitionRandom terms
Show more- Growth, normal See: Normal growth
- Bee sting Stings from bees and other large stinging insects such as yellow jackets, hornets and wasps can trigger…
- Coitus interruptus A method of contraception, also called withdrawal, in which the man withdraws his penis from the vagina…
- Kostmann disease Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Face, masklike A surgical procedure designed to make the face appear younger by pulling loose facial skin taut. With age or…
- Cafe au lait spot A flat spot on the skin that is the color of coffee with milk (café au lait) in persons with light skin, or a…
- Raised hemidiaphragm See: Elevated hemidiaphragm.
- Lindau-von Hippel syndrome See Von Hippel-Lindau syndrome
- Vaccinia, progressive See Progressive vaccinia
- Legal blindness The criteria used to determine eligibility for government disability benefits and which do not necessarily…
- Test, eye chart This test measures how well you see at various distances. The eye chart itself -- the usual one is called…
- Thallium Thallium: A metallic element having the symbol Tl and the atomic number 81 and an atomic weight of about 204…