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).
Snowblindness
A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation keratitis or photokeratitis. The condition typically occurs at high altitudes on highly reflective snow fields or, less often…
Read the definitionRandom terms
Show more- Genetic screening Testing a population to identify individuals at risk for a genetic disease or for transmitting it. Newborns…
- Malar Referring to the cheek.
- Cancer of the cervix See: Cervical cancer
- Contrast Short for 'contrast media.' Contrast media are X-ray dyes used to provide contrast, for example, between…
- Visual acuity test This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Intelligence, non-verbal Innate or learned ability to understand and carry out motor tasks, such as solving physical puzzles. Also…
- Blistering agent See: Vesicant
- Hypnos The Greek and Roman god of sleep. From his name is derived the term hypnosis. Hypnos was the twin of…
- Pericardial effusion Too much fluid within the pericardium, the fibrous sac that surrounds the heart. The pericardium normally…
- International AIDS Vaccine Initiative See: IAVI
- Yeast infection Yeast infection: Overgrowth of yeast can affect the skin (yeast rash), mouth (thrush), digestive tract…
- Goiter Enlargement of the thyroid gland. A goiter is not cancerous. It is simply a thyroid gland that is bigger than…