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).
Dextromethorphan
An oral cough suppressant available in the US without a prescription but which is sometimes abused as a recreational drug. Dextromethorphan (DXM) is chemically related to codeine and acts on the brain to suppress cough, but it does not…
Read the definitionRandom terms
Show more- Hotel-Dieu A name often given to a hospital in France during the Middle Ages. Hotel-Dieu literally means the hotel (of)…
- Bx Abbreviation for biopsy, the removal of a sample of tissue for examination or other study. Biopsies are most…
- Prosthesis An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the…
- LQTS The long QT syndrome. See Long QT syndrome
- Plague, fowl The "Great Plague" that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Obstetrical forceps An instrument with two blades and a handle designed to aid in the vaginal delivery of a baby. Forceps may be…
- Visual evoked response VER. A type of electrophysiologic retinal testing done to measure the electrical potential resulting from a…
- Blood dyscrasia Blood disease
- Pellagra >Diarrhea; >Dermatitis: A scaly rash on skin exposed to light or trauma; >Dementia: Mental disorientation…
- Intron Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when…
- CHARGE syndrome See: CHARGE association
- Dementia, multi-infarct See Vascular dementia