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).
Single-payer health care
A system of health care characterized by universal and comprehensive coverage. Single-payer health care is similar to the health services provided by Medicare in the US. The government pays for care that is delivered in the private (mostly…
Read the definitionRandom terms
Show more- Memory, working Short-term (recent) memory. Working memory is a system for temporarily storing and managing the information…
- Stenosis, subaortic Narrowing of the left ventricle of the heart just below the aortic valve through which blood must pass on its…
- Hypotonic solution A solution with a lower salt concentration than in normal cells of the body and the blood. As opposed to an…
- Pneumonia, aspiration Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs).
- Chromatin The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made…
- Spinal cord injury Spinal cord injury: Trauma or damage to the spinal cord, the major column of nerve tissue that is connected…
- Metaphase (cell cycle) The stage in the cell cycle (the sequence of events in the life of a cell) when a chromosome is most highly…
- Tissue plasminogen activator (tPA) An enzyme that helps dissolve clots. tPA is made by the cells lining blood vessels and has also been…
- Headache, chronic daily See: Chronic daily headache
- Photosensitivity In medicine, increased sensitivity of the skin to light and other sources of UV.Photosensitivity commonly…
- Bross See: Bross, Irwin DJ
- Spinocerebellar ataxia Ataxia with malfunction of the cerebellum