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).
Basilar fracture
A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance…
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Show more- Disease, Meniere A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms…
- Compression fracture A fracture caused by compression, the act of pressing together. Compression fractures of the vertebrae are…
- False negative A result that appears negative but fails to reveal a situation. An example of a false negative: a particular…
- Equinophobia An abnormal and persistent fear of horses. Sufferers of equinophobia experience undue anxiety even when a…
- Failure, heart Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump…
- Meningococcus A type of bacteria now formally known as Neisseria meningitidis, which is responsible for a number of…
- River blindness Onchocerciasis, a disease caused by a parasitic worm (Onchocerca volvulus) which is transmitted to persons by…
- Alpha-fetoprotein (AFP) AFP is a plasma protein that is normally produced by the fetus. It serves as the basis for some useful tests…
- Cancer, non-small cell lung Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term 'non-small…
- Chinese restaurant syndrome A syndrome first described in 1968 in people who had eaten Chinese food on which MSG (monosodium glutamate)…
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…
- Gerstmann-Straussler disease See: Gerstmann-Sträussler-Scheinker syndrome