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).
Juvenile chronic arthritis, systemic-onset
See: Arthritis, systemic-onset juvenile rheumatoid
Read the definitionRandom terms
Show more- Nerve, glossopharyngeal The glossopharyngeal nerve is the ninth cranial nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Dissociation In psychology and psychiatry, a perceived detachment of the mind from the emotional state or even from the…
- Gastrostomy, percutaneous endoscopic (PEG) A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on…
- LEOPARD syndrome A genetic syndrome transmitted in an autosomal dominant manner that is named for its characteristic features…
- Syndrome, Reye A sudden, sometimes fatal, disease of the brain (encephalopathy) with degeneration of the liver, occurs in…
- Anaprox See: Naproxen
- Flu vaccine Flu vaccine: The flu vaccination (influenza) is recommended for persons at high risk for serious…
- Triceps The triceps muscle extends (straightens) the elbow. Its full name is the triceps brachii. It can be felt as…
- Angiography A procedure performed to view blood vessels after injecting them with a radioopaque dye that outlines them on…
- Aphthous ulcer Aphthous ulcer: A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker…
- Northern blot A technique in molecular biology, used mainly to separate and identify pieces of RNA. Called a Northern blot…
- Barlow syndrome Barlow syndrome is mitral valve prolapse (also known as 'click murmur syndrome'), the most common heart valve…