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).
Frenum
A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
Read the definitionRandom terms
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- Fifth cranial nerve The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
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- Brontophobia An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
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- Cranial nerve VII The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…
- Open wound An injury that is exposed due to broken skin. An open wound is at high risk for infection
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…
- Cholecystogram, oral See: Oral cholecystogram