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).
Posthitis
Inflammation of the prepuce (the foreskin of the penis). In the uncircumcised male, posthitis and balanitis (inflammation of the glans, the rounded head of the penis) usually occur together as balanoposthitis: inflammation of both the…
Read the definitionRandom terms
Show more- Mucoviscidosis An old name (but one that has prevailed in France and some other nations) for cystic fibrosis (CF), one of…
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Zeitgeber An environmental agent or event that provides the cue for setting or resetting a biological clock. To be…
- Milligram A unit of measurement of mass in the metric system equal to a thousandth of a gram. A gram is equal to the…
- Dermatan sulfate An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels…
- Strait-jacket See: Straitjacket
- Permanent makeup A form of tattooing (also known as micropigmentation). Some choose permanent makeup as a time saver or…
- Overbreathing See: Hyperventilation
- Hepatitis E A form of liver disease characterized by inflammation of the liver due to infection with the hepatitis E…
- Branched-chain ketoaciduria See: Maple syrup urine disease
- Delirium tremens A neurological symptom of alcohol withdrawal seen in chronic alcoholism, with includes symptoms of psychosis…
- Gibbon, John H., Jr. American cardiovascular surgeon (1903-1973) who performed the world's first successful open-heart operation…