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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Contact dermatitis
A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a rash brought on purely by repeated irritation from a substance such as water causing 'dish pan hands') and allergic contact…
Read the definitionRandom terms
Show more- Disease, Paget See: Paget disease
- Glucosamine A molecule derived from the sugar glucose by the addition of an amino (NH2) group, glucosamine is a component…
- Phenylketonuria, maternal See Maternal phenylketonuria
- Taenia saginata The beef tapeworm. The most common of the big tapeworms that parasitizes people, contracted from infected raw…
- Appendiceal rupture Rupture of appendix
- Mucopolysaccharidosis type IVA Morquio syndrome due to deficiency of the enzyme N-acetylgalactosamine-6-sulfate sulfatase. See also…
- Neo- (prefix) Prefix meaning new. From the Greek 'neos', new, young, fresh, recent. Examples of terms starting with 'neo-'…
- Hypoglossal nerve The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Mitochondrial Referring to mitochondria. The mitochondria are normal structures called organelles in cells. They are…
- Hernia, hiatus Protrusion of the stomach up into the opening normally occupied by the esophagus in the diaphragm, the great…
- Reproductive organs, female The internal genital structures of the female include the ovaries, the Fallopian tubes, the uterus (womb) and…
- Rhabdomyosarcoma A malignant tumor that starts in muscle. Rhabdomyosarcoma is primarily a childhood tumor and occurs most…