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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Appendix
A small outpouching from the beginning of the large intestine (the ascending colon). Formally called the vermiform appendix because it was thought to be wormlike. See also: Appendicitis; Appendix cancer.
Read the definitionRandom terms
Show more- Arrhythmias, slow Abnormally slow heart rhythms, medically termed bradycardia
- Dysplasia, arteriohepatic Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…
- His-Werner disease This is a parasite (louse-borne) disease that was first recognized in the trenches of World War I and so was…
- MM In medicine, the abbreviation for meningomyelocele (spina bifida), malignant melanoma, and multiple myeloma…
- Foot-drop Dropping of the front of the foot due to weakness or paralysis of the anterior muscles of the lower leg…
- Clostridium difficile A brain disorder in which there is an abnormal enlargement of the occipital horns of the brain --the…
- Film, lateral An X-ray picture taken from the side
- Triple C's Street name for dextromethorphan (DXM)
- Superbug An informal term for a bacterium that has become resistant to antibiotics usually used to treat it, as…
- Glomeruli The plural of glomerulus
- Hives Hives: A raised, itchy area of skin that is usually a sign of an allergic reaction. It can be rounded or…
- Peccant Unhealthy. Causing illness or disease. Peccant is one of those rarely used but apt words. The behaviors --…