MedicalVocabulary.org

Medical vocabulary with 16,436 clear, complete and reliable definitions.

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16,436 medical terms defined

20 years online

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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).

Featured term

Hydrocele

Accumulation of fluid in the coat around the testis. Small hydroceles tend to disappear by a year of age while larger hydroceles may persist and warrant surgery.

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