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).
Ventricle, left
The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood from the left atrium and pumps it out under high pressure to the body via the aorta
Read the definitionRandom terms
Show more- Cord, spinal See: Spinal cord
- Allelic Pertaining to an allele, an alternative form of a gene. A single allele is inherited from each parent
- Fine needle aspiration The use of a thin needle to withdraw material from the body. For example, this method is commonly used to…
- Dystocia, fetal Dystocia caused by the fetus due to its size (too big), shape or position in the uterus
- Nasogastric tube A tube that is passed through the nose and down through the nasopharynx and esophagus into the stomach…
- Neurone A variant spelling of neuron. Sometimes preferred in the UK, as in 'His suffering from motor neurone disease…
- Esophageal cancer with tylosis See: Tylosis with esophageal cancer
- PTU Propylthiouracil, an antithyroid medication, a drug that blocks the production of thyroid hormone by the…
- Open-label trial A clinical trial in which researchers and participants know which drug or vaccine is being administered
- Naming diseases See: Disease nomenclature
- Hives Hives: A raised, itchy area of skin that is usually a sign of an allergic reaction. It can be rounded or…
- Potomania An intense and persistent desire to drink alcohol to excess. Synonymous with dipsomania