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).
Acute idiopathic polyneuritis
Also known as the Guillain-Barre syndrome, a disorder characterized by progressive symmetrical paralysis and loss of reflexes, usually beginning in the leg, with in most cases nearly complete or complete recovery. The Guillain-Barre…
Read the definitionRandom terms
Show more- Stokes Adams attack Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there is a slow or absent…
- Nonbacterial prostatitis Prostatitis: Inflammation of the prostate not due to bacterial infection. The prostate is a walnut-sized…
- Disorder, social anxiety Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome
- Melioidosis Melioidosis: An infectious illness, also called Whitmore's disease, that is most frequent in Southeast Asia…
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…
- Hematemesis The medical term for bloody vomitus. The word 'hematemesis' is made up of 'hema-', blood + 'emesis', vomit =…
- Pseudohemophilia The original name that von Willebrand gave to the bleeding disorder he first described. See: Von Willebrand…
- Reflex, Babinski An important neurologic test based, believe it or not, upon what the big toe does when the sole of the foot…
- Factor X A laboratory-made agent similar to a normally existing substance in the body that stimulates the production…
- Inkblot test A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- Entamoeba histolytica The agent of amebic dysentery, a disorder with inflammation of the intestine and ulceration of the colon…