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).
Adductor spasmodic dysphonia
A disorder in which sudden muscle spasms cause the vocal folds (or vocal cords) to slam together. See: spasmodic dysphonia
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Show more- Fetal mortality rate The ratio of fetal deaths divided by the sum of the births (the live births + the fetal deaths) in that year…
- Barium 1. A metallic element belonging to the alkaline earths with an atomic number of 56 and an atomic weight of…
- Gastroparesis Gastroparesis: Gastroparesis is a medical condition in which the muscle of the stomach is paralyzed by a…
- Electron beam computerized tomography (EBCT) A new (and controversial) noninvasive test for the detection of coronary artery disease (CAD). EBCT, or…
- Sphingomyelinase deficiency Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Infantile spasms A seizure disorder of infancy and early childhood with the onset predominantly in the first year of life of…
- Nephron A key unit, both anatomically and functionally, of the kidney.
- Leukemic reticuloendotheliosis See: Hairy cell leukemia
- Fatty acid One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell…
- Onycholysis Loosening of the nail from the nail bed, usually starting at the border of the nail. The nail tends to turn…
- ApoE Abbreviation for apolipoprotein E, a gene that codes for a protein component of lipoproteins (complexes of…
- Elastase 2 Neutrophil elastase, an enzyme in neutrophils that digests elastin. The gene ELA2 encoding elastase 2 is on…