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).
Ribozyme
An RNA molecule that can catalyze its own chemical reactions
Read the definitionRandom terms
Show more- Hematophobia An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread…
- Larynx The larynx is the portion of the breathing, or respiratory, tract containing the vocal cords which produce…
- Loin The portion of the lower back from just below the rib cage to the pelvis. The loins include the psoas muscles…
- Koch's postulates In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Crick, Francis British biologist (1916-2004) who shared the 1962 Nobel prize in Medicine and Physiology with James Watson…
- Gout, tophaceous A form of chronic gout whereby nodular masses of uric acid crystals (tophi) are deposited in different soft…
- Neurological Having to do with the nerves or the nervous system
- Cortisone An adrenocorticoid hormone, a naturally occurring hormone made by and secreted by the adrenal cortex, the…
- Enteropathy, gluten See: Gluten enteropathy
- ORS 1. Oral rehydration salts. 2. Oral rehydration solution. 3. Orthopaedic Research Society
- Colitis, ulcerative A relatively common disease that causes inflammation of the large intestine (the colon). The cause is…
- Sun protection factor (SPF) A number on a scale for rating sunscreens. SPF stands for Sun Protection Factor. SPF numbers on a package can…