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).
Ribozyme
An RNA molecule that can catalyze its own chemical reactions
Read the definitionRandom terms
Show more- Sign, Tinel's An examination test that is used by doctors to detect an irritated nerve. Tinel's sign is performed by…
- Carcinoid tumor A tumor which secretes large amounts of the hormone serotonin. Carcinoid tumor is also called an…
- Hematoma, subcutaneous A bruise
- Syndrome, cracked tooth A toothache caused by a broken tooth (tooth fracture) without associated cavity or advanced gum disease…
- Neuropathy, hypoglossal See: Hypoglossal neuropathy
- MASS syndrome A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Neutropenia, severe congenital (SCN) Neutropenia, severe congenital (SCN): Children born with this condition lack neutrophils (a type of white…
- Echocardiography, stress Stress: A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound…
- Syndrome, Reye A sudden, sometimes fatal, disease of the brain (encephalopathy) with degeneration of the liver, occurs in…
- Lymphogranuloma venereum Abbreviated LGV. An uncommon genital or anorectal (affecting the anus and/or rectum) infection that is caused…
- Gua sha See: Gua-sha
- Tail 1. A slender appendage, such as the tail of the pancreas. 2. The appendage that protrudes from the buttocks…