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).
Cranial arteritis
A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels affected by inflammation are the arteries (hence the name 'arteritis'). The age of affected patients is usually over 50 years of…
Read the definitionRandom terms
Show more- Electrophysiologic study of the heart A test of the electrical conduction system of the heart (the system that generates the heart beat)…
- B. coli The protozoan parasite Balantidium coli. See: Balantidium
- Chondromalacia patellae The patellofemoral syndrome (PFS), the most common cause of chronic knee pain. PFS characteristically causes…
- Granulocyte >Neutrophils have 'neutral' subtle granules; >Eosinophils have prominent granules that stain readily with the…
- Trichina spiralis Is a parasitic worm that lives in the intestines and causes a serious illness known as trichinosis. The eggs…
- Segawa dystonia Dystonia: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in childhood or…
- Skin graft, autogenic A graft using the patient's own skin. Also known as an autologous graft.
- Infertility Infertility: The diminished ability or the inability to conceive and have offspring. Infertility is also…
- Vaccination, hepatitis A See: Hepatitis A immunization
- Pancreozymin See: Cholecystokinin
- Varix An enlarged and convoluted vein, artery or lymphatic vessel.
- Unsaturated fat A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…