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.
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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).
Stomach flu
So-called 'stomach flu' actually has nothing to do with the influenza (flu) virus. This term is sometimes used to describe gastrointestinal illnesses caused by other microorganisms
Read the definitionRandom terms
Show more- Tylosis A callus or thickening. See: Tylosis with esophageal cancer
- Ear, inner There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Drain, Jackson Pratt See: JP drain
- Brachial vein A vein that accompanies the brachial artery between the shoulder and the elbow. The route of the brachial…
- Mitral valve A valve in the heart situated between the left atrium and the left ventricle that permits blood to flow from…
- Protozoa A single-cell organism that can only divide within a host organism. Malaria is caused by a protozoa…
- Tachycardia, ventricular An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart…
- Endometrial cancer Cancer of the womb (the uterus ). Endometrial cancer occurs most often in women between the ages of 55 and 70…
- Expiration date The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful…
- Tattoo >non-reactive pigments; >sterile, disposable needles; and >sterile work conditions. Without these…
- Rheumatic heart disease Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating…
- Ecchymosis The skin discoloration caused by the escape of blood into the tissues from ruptured blood vessels. Ecchymoses…