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).
Psoralen
Any of a number of drugs and other substances containing chemicals that react with ultraviolet (UV) light to cause darkening of the skin
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Show more- Christian Boehmer Anfinsen, Jr. See: Anfinsen, Christian Boehmer, Jr.
- Enterovirus A virus that enters the body through the gastrointestinal tract and thrives there, often moving on to attack…
- Selenium poisoning Poisoning from selenium, a naturally occurring substance that is toxic at high concentrations but is also a…
- Cranial nerve VI The sixth cranial nerve is the abducent nerve. It is a small motor nerve that has one task: to supply a…
- Empiric risk The chance that a disease will occur in a family based upon experience (past history, medical records, etc.)…
- Mental retardation, blindness, deafness, seizures Seizures: A disorder first reported in 1999 by Gustavson and colleagues as a newly recognized X-linked mental…
- Eclosion The emergence of an adult insect from its pupal case, or the hatching of an insect larva from an egg. From…
- Aerophobia An abnormal and persistent fear of flying. Sufferers experience severe anxiety even though they usually…
- VSD A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the…
- Visual evoked response VER. A type of electrophysiologic retinal testing done to measure the electrical potential resulting from a…
- ECT Electroconvulsive therapy
- Vasodilators Agents that act as blood vessel dilators (vasodilators) and open vessels by relaxing their muscular walls…