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).
Polymerase, RNA
Enzyme that catalyzes (speeds) the polymerization of RNA. RNA polymerase uses preexisting nucleic acid templates and assembles the RNA from ribonucleotides.
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- Microphthalmia An abnormally small eye, a congenital malformation (birth defect) of the globe. The related term…
- Glycogen storage disease type V One of the 14 recognized diseases that interfere with the storage of carbohydrates as glycogen in the body…
- Fistulize To form or make a fistula, an abnormal passageway. As, for example, fistulizing Crohn's disease
- Lithobid See: Lithium
- NIMH Stands for the National Institute of Mental Health, one of the National Institutes of Health in the U.S…
- Hemochromatosis Hemochromatosis (iron overload) is an inherited disorder in how the body absorbs and stores iron. The excess…
- Neuron, spindle See: Spindle neuron
- Penetrance The likelihood a given gene will result in disease. For example, if half (50%) of the people with the…
- Renal aneurysm An aneurysm involving the kidney
- Dystonia, cranial A term used to describe dystonia that affects the muscles of the head, face, and neck. Oromandibular dystonia…
- Staff of Aesculapius A rod or stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…