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).
Speech disorder
A disorder affecting the ability to produce normal speech. Speech disorders may affect articulation (phonetic or phonological disorders); fluency (stuttering or cluttering); and/or voice (tone, pitch, volume, or speed). Most speech…
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Show more- Dystrophy, autoimmune polyendocrinopathy Idiasis-ectodermal (APECED): A genetic autoimmune disease with an extraordinary array of clinical features…
- Werner syndrome A premature aging disease that begins in adolescence or early in adulthood and results in apparent old age by…
- Hemophilia B Hemophilia due to deficiency of coagulation factor IX in the blood which results in prolonged oozing after…
- PRK (photorefractive keratectomy) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Artery, hepatic An artery that distributes blood to the liver, pancreas and gallbladder as well as to the stomach and…
- Sputum The mucus and other matter brought up from the lungs, bronchi, and trachea that one may cough up and spit out…
- Donor The giver of a tissue or organ, for example, of blood or a kidney
- Apollo In Greek mythology, often considered to be a god of healing. In stories such as The Iliad, Apollo is depicted…
- Bergstrom, Sune K (1916-2004) Swedish physician and scientist who was awarded the Nobel prize for physiology or medicine in…
- Contraception, emergency See: Emergency contraception
- Dander Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces and makes…
- Cyclooxygenase-2 inhibitor See: Cox-2 inhibitor