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).
Biotechnology
The fusion of biology and technology. Biotechnology is the application of biological techniques to product research and development. In particular, biotechnology involves the use by industry of recombinant DNA, cell fusion, and new…
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Show more- Nitric oxide >It acts as a vasodilator (blood vessel relaxant). >It therefore controls blood flow to tissues. >It…
- DYS Symbol for familial dysautonomia. See: Familial dysautonomia.
- Ornithine transcarbamylase (OTC) deficiency A rare metabolic disorder, OTC is one of the urea-cycle disorders. The urea cycle is a series of five liver…
- Acute respiratory distress syndrome Better known as ARDS. See: ARDS
- Corneal dystrophy, map-dot-fingerprint type A disorder in which the cornea (the normally clear front window of the eye) shows geographic map-like lines…
- Shunt, ventriculoatrial A shunt that drains fluid from the cerebral ventricle into the right atrium of the heart
- Histiocytosis, Letterer Siwe A severe disease in which histiocytes start to multiply and attack the tissues or organs of the patient…
- Oesophagus Alternate spelling for esophagus. The British have an oesophagus while Americans have an esophagus. But on…
- Cardioplegia Paralysis of the heart, as may be done electively in stopping the heart during cardiac surgery. Cardioplegia…
- Category 5 storm See: Category five hurricane
- Huntingtin The name of the gene responsible for Huntington disease (HD) and of the protein encoded by that gene. The…
- Fire ants Originally from S. America. Among the worst insect pests ever to invade the US. Red or yellowish ants of…