MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Arrhythmias, ventricular
Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the ventricles). Ventricular arrhythmias include ventricular tachycardia and ventricular fibrillation. Both are life threatening arrhythmias most…
Read the definitionRandom terms
Show more- Stickler's syndrome See: Stickler syndrome
- Diarrhea, traveler's Diarrhea illness associated with travel to a foreign country. Among the causes of traveler's diarrhea are…
- Fluorouracil A much-used anticancer drug that belongs to the family of drugs called antimetabolites. Full name…
- Stage As regards cancer, the extent of a cancer, especially whether the disease has spread from the original site…
- Piriformis syndrome Irritation of the sciatic nerve caused by compression of the nerve within the buttock by the piriformis…
- Cide A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as…
- Coronary artery bypass graft Coronary artery bypass graft: Abbreviated CABG. A form of bypass surgery that can create new routes around…
- Sentinel lymph node biopsy Sentinel lymph node biopsy: Examination of the first lymph node ('gland') that receives lymphatic drainage…
- Keratitis, vaccinia See Vaccinia keratitis
- Enterospasm A painful, intense contraction of the intestine
- Intelligence test A questionnaire or series of exercises designed to measure intelligence. It is generally understood that…
- Polyubiquitination The binding of many ubiquitin molecules to the same target protein. Polyubiquitination of proteins is the…