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- Morton's toe See: Morton's syndrome
- Vena cava, superior A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the…
- False vocal fold See: False vocal cord
- Zinc ointment A topical preparation containing zinc that is applied to protect the skin from irritation or sunburn. Zinc…
- Synchronic study A study done at a single point in time rather than over the course of a period of time (longitudinally)
- Neuron A nerve cell that sends and receives electrical signals over long distances within the body. A neuron may…
- Slipped elbow See: Nursemaid's elbow
- Toxic syndrome The ensemble of the signs and symptoms of the disorder resulting from exposure to a toxic agent. There are…
- Albinism and hemorrhagic diathesis Pigmented reticuloendothelial cells: See: Hermansky-Pudlak syndrome
- Xero- Fix): Dry. From the Greek 'xeros' meaning 'dry.' Examples of words containing 'xero-' -- xeroderma is dry…
- Cell, helper A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- Radiopaque Anything that does not let X-rays or other types of radiation penetrate. Radiopaque objects block radiation…