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).
Ulcer, gastric
A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach cells. Ulcer formation is related to H. pyloridus bacteria in the stomach, anti-inflammatory medications, and smoking cigarettes…
Read the definitionRandom terms
Show more- Helix, alpha See: Alpha helix
- Emboli Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli…
- Bifid Cleft (split) in two. See, for example, bifid uvula
- Medium-chain acyl-CoA dehydrogenase An enzyme abbreviated as MCAD. See: MCAD deficiency
- Dendrite A short arm-like protuberance from a nerve cell (a neuron). Dendrites from neurons next to one another are…
- Tennis elbow A painful injury to the tendon that is attached to the outer part of the elbow due to repetitive twisting of…
- BX Medical abbreviation for biopsy. See: bx
- Volvulus Abnormal twisting of the intestine which can impair the blood flow to the intestine. Volvulus can lead to…
- Anemia, pernicious A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Organ failure The failure of an essential system in the body. Multiple organ failure is the failure of two or more systems…
- Fear of spiders An abnormal and persistent fear of spiders. Sufferers of this fear experience undue anxiety even though they…
- Hematoma, subdural See: Subdural hematoma