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).
Familial cancer
Cancer or a predisposition (tendency) to it that runs in families.
Read the definitionRandom terms
Show more- Focal seizure See: Partial seizure
- Vaccines Microbial preparations of killed or modified microorganisms that can stimulate an immune response in the body…
- Green fluorescent protein Abbreviated GFP. A protein that glows green under fluorescent light. Found naturally in the jellyfish…
- Artery, mesenteric One of the arteries that arises from the abdominal portion of the aorta and distributes blood to most of the…
- Syndrome, tarsal tunnel See Tarsal tunnel syndrome
- Contiguous gene syndrome A disorder due to deletion of multiple gene loci that are adjacent to one another. Contiguous gene syndromes…
- Knee, secretary's The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes…
- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Vitamin B1 Thiamine. Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of the body. Deficiency of thiamine…
- Diesel exhaust particle A respirable particle produced during the compression ignition of diesel fuel. Diesel particles are composed…
- Urethroscope A device for examining the inside of the urethra
- AV node An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the…