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).
Stricture of the esophagus, chronic
A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by scarring from acid irritation. A common complication of chronic gastroesophageal reflux disease (GERD). Several procedures are…
Read the definitionRandom terms
Show more- Syndrome, fragile X The most common heritable form of mental retardation, occurring in about one in two thousand males and a…
- Immunization, influenza Influenza: See Immunization, flu
- Prothrombin A coagulation (clotting) factor that is needed for the normal clotting of blood. A cascade of biochemical…
- Genome, cholera See: Cholera genome
- Hydrostatic weighing See: Underwater weighing
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Brucellosis An infectious disease due to the bacteria Brucella that causes rising and falling (undulant) fevers, sweats…
- Pneumatic larynx A device that uses air to produce sound, helping a person whose larynx has been removed to talk
- Midget A very small person (or thing). Midget is a picturesque but somewhat disparaging term. It is the diminutive…
- Syndrome, Martin-Bell Better known as the fragile X syndrome, the most common heritable form of mental retardation. Fragile X…
- ABG (arterial blood gas) The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels…
- Genetic anticipation A remarkable phenomenon in which a genetic disease appears earlier appearance and with increased from with…