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).
Random
The process by which an outcome is determined solely by chance, for example, by a coin flip. A randomized controlled trial is a clinical trial that involves at least one test treatment and one control treatment and in which the treatments…
Read the definitionRandom terms
Show more- Test, rapid strep A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- RNA interference Abbreviated RNAi. The introduction of double-stranded RNA into a cell to inhibit the expression of a gene…
- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…
- Renal cell cancer Cancer that develops in the lining of the renal tubules, which filter the blood and produce urine. Also…
- DDH (developmental dislocation of the hip) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Intercostal muscle Muscle tissue between two ribs. This muscle is a type called skeletal muscle
- Bumps The raised area of a bump or bruise results from blood leaking from these injured blood vessels into the…
- Baker cyst Baker cyst: A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac…
- OPCA Olivopontocerebellar atrophy
- Prograf Brand name of tacrolimus. See: Tacrolimus
- Gamma hydroxybutyrate (GHB) Known in Europe as Gamma-OH, gamma hydroxybutyrate is a colorless and odorless drug used illicitly for…
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…