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).
Arg
Arginine. See also: Amino acid symbols
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Show more- Office of Human Research Protections (OHRP) The agency responsible for developing, monitoring and exercising compliance over the protections afforded…
- Aristolochic acid A chemical found in nature in the plant Aristolochia fangchi. Aristolochic acid is contained in a number of…
- Sibling A brother or sister
- Multisection CT See: Multidetector computed tomography
- Erotomania The false but persistent belief that one is loved by a person (often a famous or prominent person), or the…
- Endocannabinoid A marijuana-like substance. 'Marijuana-like substances (endocannabinoids)... act at specific receptors on the…
- Rasmussen encephalitis A rare progressive neurological disorder that is characterized by intractable seizures and progressive…
- National Academies Collectively, the four National Academies of the United States -- the National Academy of Sciences, the…
- Aneurysm, abdominal An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an…
- Vitamin B1 Thiamine. Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of the body. Deficiency of thiamine…
- Cancer, gastric Cancer of the stomach, the major organ that holds food for digestion. Worldwide, stomach cancer is the second…
- Fasciolopsiasis Infection with Fasciola flukes such as Fasciolopsis buski. See: Fasciolopsis