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).
Tunnel vision
Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision. And, by extension, any very narrow point of view. Also called tubular vision
Read the definitionRandom terms
Show more- Smad3 A protein in a pathway that helps prevent tumors. Smad3 is a player in a cellular network relay system called…
- Osteogenesis imperfecta with blue sclerae See: Osteogenesis imperfecta type I.
- Kartagener syndrome A genetic syndrome characterized by sinusitis, bronchiectasis (widening and inflammation of the bronchi)…
- Ommaya reservoir A device implanted under the scalp that is used to deliver anticancer drugs to the cerebrospinal fluid, the…
- Biliary atresia Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- Endoscopic papillotomy See: Endoscopic sphincterotomy
- Milk allergy, cow Casein and whey are the two major proteins of human milk and most milk-based formulas. Some (less than 8% of)…
- Pseudoexfoliation syndrome An eye condition that often leads to glaucoma. Called the pseudoexfoliation syndrome because deposits on the…
- Allergy shots See Allergy desensitization
- Ectoparasitosis Infestation with an ectoparasite, a parasite that lives on or in the skin. The four major ectoparasitoses are…
- Type 1 diabetes See Diabetes, type 1
- Lobstein's disease Osteogenesis imperfecta type I. An inherited, generalized connective tissue disorder featuring bone fragility…