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).
Esophageal ulcer
A hole in the lining of the esophagus corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is related to H. pyloridus bacteria in the stomach, anti-inflammatory medications, and smoking cigarettes. Ulcer…
Read the definitionRandom terms
Show more- Optic nerve pathways The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland…
- Allergic purpura See: Schonlein-Henoch purpura
- Prion A disease-causing agent that is neither bacterial nor fungal nor viral and contains no genetic material. A…
- Cryptosporidium enteritis See: Cryptosporidiosis
- Staph Very commonly used shortened form of Staphylococcus, a very common and important group of bacteria. See…
- GAD Generalized anxiety disorder
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- HIV test A test for the human immunodeficiency virus, the cause of AIDS. HIV tests are designed to detect antibodies…
- Data Facts, statistics, and the like. In medicine and the health sciences, people often speak of 'the data'…
- Contraception, emergency See: Emergency contraception
- Testicles The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a…
- Fluorescent in situ hybridization An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…