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).
Left ventricle
The left lower chamber of the heart that receives blood from the left atrium and pumps it out under high pressure through the aorta to the body
Read the definitionRandom terms
Show more- Scan, DXA See: DXA
- Cervical rib >True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true…
- Jejunum Part of the small intestine. It is half-way down the small intestine between its duodenum and ileum sections…
- Milk, witch's See Witch's milk.
- Nerve, oculomotor The oculomotor nerve is the third cranial nerve. (The cranial nerves emerge from or enter the cranium, the…
- Neuralgia, migrainous A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical…
- Reproduction The production of offspring. Reproduction need not be sexual. Yeast can reproduce by budding
- Aneurysm, racemose An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Corpus The body of the uterus (womb)
- Fever, tick See: Rocky Mountain spotted fever
- Salaam seizure See: Infantile spasms
- Percutaneous transluminal coronary angioplasty Angioplasty: PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery