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).
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Read the definitionRandom terms
Show more- Mechanical ventilation Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the…
- International AIDS Vaccine Initiative See: IAVI
- Radius In anatomy, the radius is the smaller of the two bones on the thumb side of the forearm. (The bigger one is…
- Excimer laser A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are…
- Biopsy, muscle See: Muscle biopsy
- Thyroid scan Thyroid scan: An image taken of the thyroid gland after radioactive iodine is taken by mouth. The thyroid…
- Pork tapeworm infection Known medically as cysticercosis, an infection caused by Taenia solium (the pork tapeworm). Infection occurs…
- Prematurity Historically, the definition of prematurity was 2500 grams (about 5 1/2 pounds) or less at birth. The current…
- Dystonia, Segawa Dystonia, Segawa: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in…
- Anergy A state of immune unresponsiveness. Induced when the T cell's antigen receptor is stimulated, effectively…
- Murine typhus An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic…
- Muscular dystrophy, tibial A specific form of muscular dystrophy in which weakness is usually confined to the anterior compartment (the…