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).
Landau-Kleffner syndrome
Landau-Kleffner syndrome: A disorder with seizures starting in childhood in which the patient loses skills, such as speech, and develops behavior characteristic of autism. A major feature of the Landau-Kleffner syndrome (LKS) is the…
Read the definitionRandom terms
Show more- Still's Disease See: Arthritis, systemic-onset juvenile rheumatoid.
- Monocyte A white blood cell that has a single nucleus and can ingest (take in) foreign material. (In other words, a…
- Progressive vaccinia A severe complication of smallpox vaccination that occurs because of an immune defect in the vaccinated…
- Antipyretic Something that reduces fever or quells it. There are 3 classes of antipyretic medications that are sold OTC…
- Disease, Tsutsugamushi Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Stachybotrys An antigenic green-black mold that grows on wood, paper and cotton products provided there is constant…
- Stenosis, subaortic Narrowing of the left ventricle of the heart just below the aortic valve through which blood must pass on its…
- Hydroxyapatite crystal disease Hydroxyapatite crystal disease:The inflammation caused by hydroxyapatite crystals has been referred to as…
- Black eye Bruising of the eyelid and/or under- eye area as a result of trauma to the eye. Colloquially called a shiner
- Poison oak Poison oak is a form of 'contact dermatitis' or inflammation of the skin resulting from chemicals produced…
- A.c. Abbreviation on a prescription meaning before meals; from the Latin 'ante cibum', before meals. This is one…
- Ventricle, right The ventricles are the two lower chambers of the heart. The right ventricle is the chamber that receives…