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).
Chart, Snellen's
The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted with block letters that line-by-line decrease in size, corresponding to the distance at which that line of letters is normally…
Read the definitionRandom terms
Show more- Androgen A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major…
- TSC1 The tuberous sclerosis 1 gene. The product of the TSC1 gene is a protein called hamartin. This protein…
- Fetal dystocia Difficult labor and delivery caused by the size (too big), shape or position of the fetus. Dystocia comes…
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…
- American Association for Advancement of Science Spoken of as the 'triple-AS', the American Association for the Advancement of Science is an organization…
- Carbohydrate intake, infant Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- Olefactory Common misspelling of olfactory
- Cry for help An expression of suicidal intent in the hope of receiving help and being rescued. A cry for help may take…
- Tic disorder A disorder characterized by the presence of tics. If both motor and vocal tics are present for more than six…
- Anorectic 1. Pertaining to anorexia, lack of appetite.2. A drug or other agent that causes anorexia and so diminishes…
- Tracheostomy button Tracheostomy button: A 1/2- to 1 1/2-inch-long plastic tube placed in the stoma to keep it open
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…