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).
Aortic stenosis
Aortic stenosis: Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the aorta. This narrowing impedes the delivery of blood through the aorta to the body and makes it tough for the heart to carry out this…
Read the definitionRandom terms
Show more- Bed blocker See: Bed blocker
- Aristolochic acid A chemical found in nature in the plant Aristolochia fangchi. Aristolochic acid is contained in a number of…
- Chilblain A cold injury which, while painful, causes little or no permanent impairment. It appears as red, swollen skin…
- Alpha-1 antitrypsin deficiency Alpha-1 antitrypsin deficiency: An inherited disorder that results in low or no production of a protein…
- Gorham disease Also called disappearing bone disease. Extensive loss of calcium from a single bone so that it cannot be seen…
- Automated external defibrillator A device that automatically analyzes the heart rhythm and, if it detects a problem that may respond to an…
- Toxic agent syndrome See: Toxic syndrome
- Gynecoid pelvis The gynecoid pelvis is one that is generally characteristic of a woman in its bone structure and therefore…
- Malaria, falciparum The most dangerous type of malaria. Caused by the parasite Plasmodium falciparum, this type of malaria is…
- Meniscus, medial knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Syndrome of ichthyosis, spasticity, oligophrenia A: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad…
- Nerve, sixth cranial The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…