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).
Angina, Prinzmetal
Angina, Prinzmetal: Chest pain due to a coronary artery spasm, a sudden constriction of one of the vessels that supply the heart muscle with blood rich in oxygen. This deprives the heart muscle of blood and oxygen. Coronary artery spasm…
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Show more- VSD A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the…
- Genome, rice The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Catalysis The process by which a substance speeds up a chemical reaction without being consumed or altered in the…
- Hypercholesterolemia High blood cholesterol. This can be sporadic (with no family history) or familial. Familial…
- Colon cancer and polyps Colon cancer and polyps: Benign tumors of the large intestine are called polyps. Malignant tumors of the…
- Cox-1 inhibitor An agent that inhibits the action of the enzyme cox-1 (cyclooxygenase-1). The common anti-inflammatory drugs…
- Breast fibroadenoma A common benign (not malignant) tumor of the breast. Usually called simply a fibroadenoma. For more…
- Adverse reaction In pharmacology, any unexpected or dangerous reaction to a drug. An unwanted effect caused by the…
- Premature ejaculation Premature ejaculation is ejecting semen from the penis, usually accompanied by orgasm occurring sooner than a…
- HAVS Hand-arm vibration syndrome
- Wart Wart: A local growth of the outer layer of the skin (the epidermis) caused by a virus. The virus of warts (a…
- Leukemia, blastic phase of Leukemia, blastic phase of: A stage in which 30 percent or more of the cells in the bone marrow or blood are…