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).
LaCrosse encephalitis
Enzyme that breaks down the milk sugar lactose into glucose and galactose. Persons with a deficiency of lactase in the gut can develop abdominal cramping and diarrhea after ingesting milk products.
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Show more- Fetal alcohol effects (FAE) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Structural scoliosis A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without…
- Double-masked See: Double-blind
- Homo floresiensis A human-like species who lived until 18,000 years ago in the company of giant Komodo lizards and now-extinct…
- Apoplexy A venerable term for a stroke, a cerebrovascular accident (CVA), often associated with loss of consciousness…
- Immune tolerance A state of unresponsiveness to a specific antigen or group of antigens to which a person is normally…
- AV (atrioventricular) AV is the standard medical abbreviation for atrioventricular, a combination that means pertaining to the…
- Dexfenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Walker, baby A device that allows a baby to move about in a half-seated, half-upright position. A 'walker' may…
- Retinitis pigmentosa and congenital deafness (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…
- Congenital lymphedema A condition present at birth in which excess fluid called lymph collects in tissues and causes swelling…
- Valley fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…