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
1. The sac-shaped digestive organ that is located in the upper abdomen, under the ribs. The upper part of the stomach connects to the esophagus, and the lower part leads into the small intestine. When food enters the stomach, muscles in…
Read the definitionRandom terms
Show more- Infraspinatus muscle >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- Isochromosome 17q An abnormal chromosome 17 with two identical long (q) arms due to duplication of the long arm and loss of the…
- SHP Schonlein-Henoch purpura
- Ventricular tachycardia An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart…
- Genome, Vibrio cholerae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Fallopian tube One of the two Fallopian tubes that transport the egg from the ovary to the uterus (the womb). In the…
- Coenzyme A substance that enhances the action of an enzyme. (An enzyme is a protein that functions as a catalyst to…
- Hemorrhagic cyst This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on…
- Sarcoidosis Sarcoidosis: A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation to…
- Cream A word with many meanings that, in medicine and pharmacy, refers to a water-soluble preparation applied to…
- Tetrafluoroethylene A substance that is a possible carcinogen (cancer-causing agent) used in the production of polymers such as…
- Defecation syncope The temporary loss of consciousness (syncope) upon defecating (having a bowel movement). Syncope is the…