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).
Superior
A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the right atrium of the heart.
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Show more- Therapy, gene Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…
- Brain stem The stemlike part of the brain that is connected to the spinal cord. Or conversely, the extension of the…
- Scan, SPECT Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Syndrome, Osler-Rendu-Weber See: Hereditary hemorrhagic telangiectasia
- Incurable Not amenable to a cure. Incapable of being cured, healed and made well again. Many pancreatic cancers are…
- Data Facts, statistics, and the like. In medicine and the health sciences, people often speak of 'the data'…
- Nickel A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of…
- Schadenfreude Pleasure from the misfortune of others. The word entered English in 1895 from the German 'Schade', harm, +…
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Vital bodily function 1. An essential bodily function. 2. A key function for life. 3. A function required by most, if not all…
- Pontiac fever A flu-like illness caused by the bacterium Legionella pneumophila contracted by breathing mist that comes…
- Integron A mobile DNA element that can capture and carry genes, particularly those responsible for antibiotic…