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).
Donor, universal
A person who is type O in the ABO blood group system and can donate blood to all recipients
Read the definitionRandom terms
Show more- Fear of the number 13 A morbid fear of the number 13. Also known as triskaidekaphobia. Written reference to the superstitious fear…
- Citrulline A non-standard amino acid that is not normally present in protein. Citrulline is created in the body as an…
- National Research Council In the United States, a part of the National Academies. There are also National Research Councils in Canada…
- Suprarenal gland See adrenal gland.
- Obstetrician A physician who delivers babies and is in the practice of obstetrics, the art and science of managing…
- Hallervorden-Spatz disease A genetic disorder in which there is progressive neurologic degeneration with the accumulation of iron in the…
- National Institutes of Health (NIH) The clinical research facility of the National Institutes of Health (NIH) in the U.S. As a national resource…
- Colitis, universal Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Cubital tunnel syndrome A form of mononeuropathy due to compression or other injury of the ulnar nerve at the elbow. Symptoms of the…
- ALS8 See: Amyotrophic lateral sclerosis 8
- Food poisoning Food poisoning: A common flu-like illness typically characterized by nausea, vomiting and diarrhea, due to…
- NAME syndrome Acronym for Nevi, Atrial myxoma, Myxoid neurofibroma, and Ephelides. Now included in the Carney complex. See…