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).
Micro-RNA
A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make it double-stranded and decrease the production of the corresponding protein. Micro-RNA's were first discovered in the roundworm C…
Read the definitionRandom terms
Show more- PX Medical abbreviation for prognosis
- Science (journal) A weekly journal concerning science. Science was founded in 1880 by one of the world's most famous…
- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms
- Midgut volvulus See: Volvulus
- Aneurysm, miliary An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Muscle relaxant Muscle relaxant is a term usually used to refer to skeletal muscle relaxants (drugs), which act on the…
- Ascending aorta The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- Ectoparasitosis Infestation with an ectoparasite, a parasite that lives on or in the skin. The four major ectoparasitoses are…
- Human Genome Organisation The international organization of scientists involved in the Human Genome Project, the global initiative to…
- Negative-strand RNA virus Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of…
- Vaccine, German measles A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Gephyrophobia An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…