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).
Felty's syndrome
Felty's syndrome: A complication of long-standing rheumatoid arthritis. See: Felty syndrome.
Read the definitionRandom terms
Show more- Jadassohn-Lewandowski Syndrome This syndrome is a form of what is called elephant nails from birth (pachyonychia congenita). The…
- New England Journal of Medicine Despite its regional name, The New England Journal of Medicine (NEJM) is far from provincial. It is an…
- Papillary muscle Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…
- Transudate A fluid that passes through a membrane which filters out much of the protein and cellular elements to yield a…
- Ants, fire Originally from S. America. Among the worst insect pests ever to invade the U.S. Red or yellowish ants of…
- Conn syndrome Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- Bypass, coronary See: Coronary artery bypass graft.
- Wharton's jelly A gelatinous substance within the umbilical cord. Wharton's jelly is a rich source of stem cells. Named for…
- Testes The male sex glands. They are located behind the penis in a pouch of skin called the scrotum. The testes…
- Echocardiography, transesophageal A diagnostic test which is done through the esophagus and which employs ultrasound waves to make images of…
- Oral aversion Reluctance or refusal to feed or eat. A familiar example of oral aversion is a baby's refusal to breastfeed…
- Protein ZIP code An informal name for a molecular cell biology system of signals or 'address tags' that guide the movement of…