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.
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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).
Quality adjusted life year (QALY)
A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0 QALY. The value of a year in ill health would be discounted. For example, a year bedridden might have a value equal to 0.5 QALY
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Show more- Metabonomics The study of metabolic responses to drugs, environmental changes and diseases. Metabonomics is an extension…
- Blood group, ABO The major human blood group system. The ABO type of a person depends upon the presence or absence of two…
- Arg Arginine. See also: Amino acid symbols
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Crib death The sudden and unexpected death of a baby with no known illness, typically affecting infants from 2 weeks to…
- Enucleation The surgical removal of an eye. Enucleation is only done under drastic circumstances such as to remove a…
- Encephalitis, Rasmussen A rare progressive neurological disorder that is characterized by intractable seizures and progressive…
- Human Genome Organisation The international organization of scientists involved in the Human Genome Project, the global initiative to…
- Mononeuropathy A disorder of a single nerve or nerve trunk. Mononeuropathies may be due to entrapment, compression, stretch…
- Diaper rash, yeast Rash, yeast: Infection in the diaper area caused by a yeast formerly called Monilia and now called Candida…
- Retinal Pertaining to the retina, the extraordinary layer of neurons (nerve cells) that line the back of the eye…
- ECG Abbreviation for electrocardiogram or EKG. The K is from 'kardio' (in German)