MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Rendu-Osler-Weber syndrome
See: Hereditary hemorrhagic telangiectasia
Read the definitionRandom terms
Show more- Transverse fracture A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER>
- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…
- Palate The roof of the mouth. The front portion is bony (hard palate), and the back portion is muscular (soft palate)
- Radiation therapy, conformal A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Adenopathy Large or 'swollen' lymph nodes. Synonymous with lymphadenopathy
- Bone, heel A somewhat rectangular bone at the back of the foot. The words 'calcaneus' and 'calcium' are related…
- Duchenne muscular dystrophy The best-known form of muscular dystrophy, due to mutation in a gene on the X chromosome that prevents the…
- E. coli O157:H7 A dangerous form of Escherichia coli, the colon bacillus, a bacterium that normally lives in the human colon…
- Periostoma A benign tumor arising from the periosteum, the dense membrane composed of fibrous connective tissue that…
- Phe Phenylalanine. See also: Amino acid symbols
- Vision, blurred See: Blurred vision
- Coated stent Also known as a medicated stent. A tiny cage coated with a drug to prop open an artery and prevent it from…