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).
Smith-Lemli-Opitz syndrome
A multiple congenital malformation syndrome caused by an abnormality in cholesterol metabolism, deficiency of the enzyme 7-dehydrocholesterol reductase (DHCR7), due to mutation of the DHCR7 gene on chromosome 11. The syndrome is…
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Show more- Tetracycline Tetracycline: A family of broad-spectrum antibiotics effective against a remarkably wide variety of…
- Fever therapy Fever therapy: Using abnormal elevations in body temperature as a tool to treat disease. This was done in the…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Lauterbur, Paul C. American scientist (1929-) who shared the 2003 Nobel Prize for Physiology or Medicine with Sir Peter…
- Red cells Short for red blood cells, the oxygen/carbon dioxide carrying cells in blood. Also known acronymically as…
- Laryngeal stenosis Narrowing or constricting of the larynx, the voice box
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- PYY A hormone concerned with hunger and the lack of hunger (satiety). Soon after eating, PYY is secreted into the…
- Disease, Kok A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Cry for help An expression of suicidal intent in the hope of receiving help and being rescued. A cry for help may take…
- Synovectomy Surgical removal of the joint lining. A synovectomy may be done to remove the inflamed lining of a joint in…
- ARMD Age-related macular degeneration (which may also be abbreviated as AMD)