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).
Category five hurricane
A hurricane with winds greater than 155 mph (135 kt or 249 km/hr). Storm surge generally greater than 18 ft above normal. Complete roof failure on many residences and industrial buildings. Some complete building failures with small utility…
Read the definitionRandom terms
Show more- Focal dystonia due to torticollis Spasm of the muscles in the neck that control the position of the head, causing the head to twist and turn to…
- UGA A triplet consisting of uracil,guanine, adenine, in that order, that acts as a stop codon in messenger RNA…
- PSP Progressive supranuclear palsy, a neurologic disorder of unknown origin that gradually destroys cells in many…
- Pigmented villonodular synovitis A benign proliferative form of monoarthritis (arthritis in just one joint) that can occurs at any age but is…
- Stilling-Turk-Duane syndrome See: Duane syndrome
- Histiocytic necrotizing lymphadenitis A disorder, also called Kikuchi disease, that typically causes 'swollen glands' in the neck (cervical…
- Heel spur A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Danon disease A genetic disorder characterized by heart problems, mental retardation and muscle weakness that affects males…
- Cuts Severed skin. Washing a cut or scrape with soap and water and keeping it clean and dry is all that is…
- Power outage and the heat When power goes out, water purification systems may not be functioning fully. Use bottled water for eating or…
- Cognitive Pertaining to cognition, the process of knowing and, more precisely, the process of being aware, knowing…
- Radiation therapy, targeted A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…