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).
Influenza
Influenza: The flu is caused by viruses that infect the respiratory tract which are divided into three types, designated A, B, and C. Most people who get the flu recover completely in 1 to 2 weeks, but some people develop serious and…
Read the definitionRandom terms
Show more- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Leaded gasoline See: Tetraethyl lead
- Mastocytoma A form of mastocytosis characterized by a benign nodular skin tumor infiltrated by mast cells. Usually…
- Onycholysis Loosening of the nail from the nail bed, usually starting at the border of the nail. The nail tends to turn…
- Parry's disease Toxic multinodular goiter. Named for the English physician Caleb Hillier Parry (1755-1822). also called…
- Choroiditis An inflammation of the layer of the eye behind the retina, either in its entirely (multifocal choroiditis) or…
- Fluid, cerebrospinal (CSF) A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain…
- Syndrome, Reye A sudden, sometimes fatal, disease of the brain (encephalopathy) with degeneration of the liver, occurs in…
- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression
- Carotene, beta An antioxidant, a substance that protects cells against oxidation damage which, it is thought, can lead to…
- Family, gene A group of genes related in structure and often in function. The genes belonging to a gene family are…