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).
Acute radiation syndrome
An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in a short time, usually a matter of minutes. Examples of persons who suffered from acute radiation syndrome (ARS) are the survivors…
Read the definitionRandom terms
Show more- Phe Phenylalanine. See also: Amino acid symbols
- Zinc finger protein 9 See: ZNF9
- Peripheral iridectomy A surgical procedure in which a hole is made in the periphery (outer part) of the iris by removing a…
- Autoimmune disease An illness that occurs when the body tissues are attacked by its own immune system. The immune system is a…
- Hodgkin, Dorothy British crystallographer and Nobel Prize winner (1910-1994). Dorothy Crowfoot, as she was born, was educated…
- Nonrandom Not by chance alone. Not in keeping with the process by which an outcome is determined solely by chance, for…
- Conformational radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- PYY A hormone concerned with hunger and the lack of hunger (satiety). Soon after eating, PYY is secreted into the…
- Purpura, Schonlein-Henoch See: Schönlein-Henoch purpura
- Engram An enduring change in the brain postulated to account for the persistence of memory. The term 'engram' was…
- Zhong-Wei Chen See: Chen, Zhong Wei
- Rodenticide A chemical or other agent used to destroy rats or other rodent pests or prevent them from damaging food…