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- Umbilicus The vestige left behind on a newborn's belly when the umbilical cord is cut. Also called the navel or belly…
- Aural vertigo, recurrent A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Cholesterol ester transfer protein A protein that helps regulate the size of cholesterol particles and influence the process of atherogenesis…
- Fever, West Nile Fever, West Nile: A febrile disease caused by the West Nile virus that is transmitted from birds to the…
- Syndrome, Edwards This is trisomy 18 syndrome. There are three instead of the normal two chromosomes #18. Children with this…
- NIEHS Stands for National Institute of Environmental Health Sciences, one of the National Institutes of Health in…
- Tube, otopharyngeal The tube that runs from the middle ear to the pharynx, known also as the Eustachian tube. The function of…
- Weaver's bottom Inflammation of the bursa that separates the gluteus maximus muscle of the buttocks from the underlying bony…
- Choanal stenosis Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The…
- Paralysis, sleep Sleep: A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Enterostomy A surgical operation that opens the small intestine and brings it through the abdominal wall to create a new…
- Hemidiaphragm Half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the…