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).
Sting, jellyfish
The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The jellyfish tentacles can extend for several feet and are lined with venom-filled cells (nematocysts). One tentacle may fire thousands of…
Read the definitionRandom terms
Show more- Acid, bile See: Bile acid
- Elbow pain Elbow pain: Elbow pain is most often the result of tendinitis, which can affect the inner or outer elbow…
- Angina, Prinzmetal Angina, Prinzmetal: Chest pain due to a coronary artery spasm, a sudden constriction of one of the vessels…
- Infectious Diseases, Nat'l Institute of Allergy & See Hepatitis A.
- Microscopy, electron Too small a body. A child with microsomia has significant undergrowth. The prefix "micro-" is derived from…
- Perforation of appendix Rupture of appendix
- Training, cross Doing two or more aerobic activities such as jogging, bicycling, and swimming on a regular basis
- Liquid diet The Liquid diet is the restriction of solid food intake, and replacement of solid food with liquids. In…
- Palatine Anatomically, pertaining to the palate. For example, the palatine bone
- Zygomatic bone The part of the temporal bone of the skull that forms the prominence of the cheek. The zygomatic bone is also…
- Exercise treadmill test A test (sometimes simply called a treadmill test or exercise test) in which a continuous electrocardiogram…
- Os calcis See: Calcaneus