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).
Lennox-Gastaut syndrome
A severe form of epilepsy that is characterized by the onset in early childhood of frequent seizures of multiple types, developmental delay, a particular brain wave pattern (a slow spike-and-wave pattern), and behavioral disturbances with…
Read the definitionRandom terms
Show more- Syndrome, post-polio (PPS) A constellation of symptoms and signs that appear from 20 to 40 years after the initial polio infection, and…
- Optic cup The white, cup-like area in the center of the optic disc. The optic disk is the circular area at the back of…
- Eye Institute, National ): One of the National Institutes of Health in the U.S., NEI's mission is to 'conduct and support research…
- Glaucoma, normal tension Glaucoma in which the intraocular pressure is normal but there is progressive optic nerve damage and visual…
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- Dissecting aneurysm A localized widening (dilatation) of an artery (an aneurysm) in which the wall of an artery rips (dissects)…
- Paradoxical embolism Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel…
- Multi-infarct dementia Dementia brought on by a series of strokes. See Vascular dementia
- Cholesterol ester transfer protein A protein that helps regulate the size of cholesterol particles and influence the process of atherogenesis…
- Ice cream headache A headache that occurs when one puts ice, a cold food or chilled beverage in the mouth. Ice cream is by far…
- Snuffbox, anatomical A hollow seen on the radial aspect (the thumbside) of the dorsum (the back) of the wrist when the thumb is…
- Rape, date Rape of a woman by a man with whom she is acquainted. The rapist is usually the woman's 'date' (escort)…