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).
Universal donor
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- Syndrome, abdominal muscle deficiency See: Abdominal muscle deficiency syndrome
- Y chromosome The sex chromosome found together with an X chromosome in most normal males. Once thought to be a genetic…
- ALT (alanine aminotransferase) An enzyme normally present in liver and heart cells that is released into the bloodstream when the liver or…
- Accoucheuse French for a woman who is an obstetrician (a physician skilled in the art and science of managing pregnancy…
- Myelinization The formation of the myelin sheath around a nerve fiber. Also known as myelination
- Vein, hepatic One of the veins which drains blood from the liver
- Green fluorescent protein Abbreviated GFP. A protein that glows green under fluorescent light. Found naturally in the jellyfish…
- Reservoir, Ommaya A device implanted under the scalp that is used to deliver anticancer drugs to the cerebrospinal fluid, the…
- Pediatric urine infection See: Urinary tract infection in children
- Necrosis, coagulation Tissue death due to clots in the bloodstream, which block the flow of blood to the affected area
- Syndrome, atypical measles (AMS) Measles (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and…
- Osteoid osteoma A benign tumor of bone tissue. It emerges most often in the teens or 20s, and is found most frequently in the…