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).
Deja vu
(In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent on the à but we have omitted the accents from the entry term for the sake of the English-speaking search engine.) Dejà vu is a…
Read the definitionRandom terms
Show more- Tubal occlusion procedure, selective (STOP) A nonsurgical form of permanent birth control in which a physician inserts a 4-centimeter (1.6 inch) long…
- Birth cohort A group of people born during a particular period or year
- Pharyngitis Inflammation of the pharynx (the hollow tube in the back of the throat about 5 inches long that starts behind…
- MASS syndrome A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…
- Canavan disease Canavan disease: A severe progressive inherited (genetic) disorder of the central nervous system (CNS). The…
- Retinal fundus The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head…
- Stokes Adams attack Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there is a slow or absent…
- Sleepiness, excessive daytime (EDS) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Amygdaloid Like an almond. Almond-shaped. As the amygdaloid nucleus in the brain, a structure that anatomists thought…
- Vocal cord, false See: False vocal cord
- Dysthymia Dysthymia: A type of depression involving long-term, chronic symptoms that are not disabling, but keep a…