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).
Ulcer, esophageal
A hole in the lining of the esophagus (tube-like organ leading from the throat to the stomach) corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is related to H. pyloridus bacteria in the stomach…
Read the definitionRandom terms
Show more- Lab result The result of a test done in a laboratory
- Minot-Von Willebrand disease See: Von Willebrand disease
- Nondisjunction Failure of paired chromosomes to disjoin (separate) during cell division so that both chromosomes go to one…
- Shots, allergy Known medically as allergy desensitization or allergy immunotherapy, the injections are designed to stimulate…
- Captioning The text display of spoken words, presented on a movie screen or a television (or another type of monitor)…
- Vincent angina This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Niemann-Pick disease type A The classical infantile form of the disease. See: Niemann-Pick disease
- Florence R. Sabin See: Sabin, Florence R.
- Body fat scales See: Bioelectric impedance analysis
- Resting phase More appropriately called interphase. The interval in the cell cycle between two cell divisions when the…
- Infection, middle ear Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Body packing The practice of internally concealing illicit drugs. See: Body packer