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.
- 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).
Disease, rheumatic heart
Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating with heart drugs as needed
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- Interventricular septum The stout wall separating the lower chambers (the ventricles) of the heart from one another. A hole in the…
- Potassium The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper…
- ORF Open reading frame
- Hemophilia carrier A female carrying a mutant gene for hemophilia on one of her two X chromosomes and a normal allele on her…
- Placenta, succenturiate An extra placenta separate from the main placenta. In anatomy 'succenturiate' means accessory to an organ. In…
- Refraction test Also termed vision test, the refraction test is an examination that tests an individual's ability to see an…
- Chronic pancreatitis Pancreatitis: A form of pancreatitis in which there is persistent inflammation of the pancreas. NTER> Chronic…
- Dyskinesia Difficulty or distortion in performing voluntary movements, as in tic, chorea, spasm, or myoclonus. The term…
- Band, Q A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…
- Thyroid stimulating immunoglobulin (TSI) A form of immunoglobulin G (IgG) that can bind to thyrotropin (TSH) receptors on the thyroid gland. TSIs…
- Replacement therapy, testosterone The practice of giving testosterone to treat conditions in which the testes do not produce enough…