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).
Glaucoma
Glaucoma: A common eye condition in which the fluid pressure inside the eyes rises because of slowed fluid drainage from the eye. If untreated, it may damage the optic nerve and other parts of the eye, causing the loss of vision or even…
Read the definitionRandom terms
Show more- Insulin Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucose in the blood…
- Fear of age An abnormal and persistent fear of growing old is termed gerascophobia. Sufferers of gerascophobia feel undue…
- Gastrointestinal tract The tube that extends from the mouth to the anus in which the movement of muscles and release of hormones and…
- Flood See: 1. Flood readiness; 2. Flood supplies kit; 3. Flood warning; 4. Flood aftermath
- Efferent Carrying away. An artery is an efferent vessel carrying blood away from the heart. An efferent nerve carries…
- Child injury, mental Also known as emotional child abuse, this is the third most frequently reported form of child abuse (after…
- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Blue baby A baby who is cyanotic (blue), due usually to a heart malformation that prevents the baby's blood from being…
- Acrocephalosyndactyly An inherited disorder causing abnormalities of the skull and face and the hands and feet. In…
- Infantile thiamine deficiency See: Infantile beriberi
- Sleep, paroxysmal Sleep, paroxysmal: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep…
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…