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).
Dyspnea
Difficult or labored breathing; shortness of breath. Dyspnea is a sign of serious disease of the airway, lungs, or heart. The onset of dyspnea should not be ignored but is reason to seek medical attention. The word dyspnea comes the Greek…
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Show more- Marie-Strumpell disease A synonym for ankylosing spondylitis. Named for the French neurologist Pierre Marie (1853-1940) and the…
- Syndrome, Witkop A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Central vision Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina…
- Sebaceous cyst A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion…
- Fear of intercourse An abnormal and persistent fear of male-female sexual intercourse. Sufferers of this fear experience undue…
- Rheumatoid spondylitis See: Ankylosing spondylitis
- Malformation, arteriovenous (AVM) An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the…
- Barbat skullcap See: Scutellaria barbata
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Fahr syndrome This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Vaccination, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus.