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).
Vena cava
The superior vena cava is the large vein which returns blood to the heart from the head, neck and both upper limbs. The inferior vena cava returns blood to the heart from the lower part of the body. The return of blood via the vena cava…
Read the definitionRandom terms
Show more- Remission Disappearance of the signs and symptoms of cancer or other disease. When this happens, the disease is said to…
- Nook Barker See: Barker, Horace Albert
- Royal Society, the Nerable scientific society in England which in 1665 published one of the first 2 scientific journals in the…
- COMT Abbreviation for catechol-O-methyltransferase
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Wing bone See: SAD.
- CEPT Cholesterol ester transfer protein
- Food security When people do not need to live with hunger or fear starvation
- Leukoencephalopathy with vanishing white matter White matter: An inherited brain disease that occurs mainly in children. and follows a chronic progressive…
- Participant 1. In a clinical trial, someone who takes part in it. A participant may or may not have a disease. The term…
- Metabolism The whole range of biochemical processes that occur within us (or any living organism). Metabolism consists…
- Monochromatism 1) Total inability to perceive color. A person with true monochromatism perceives only black, white, and…