MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Enediyne
A very potent and naturally occurring antibiotic that acts by cleaving DNA. The adverse effects of enediynes on cells include mutagenicity (increase mutation), halting mitois (cell division) by arresting the cell cycle, and inducing…
Read the definitionRandom terms
Show more- Disseminated sclerosis See: Multiple sclerosis
- Chondroitin sulfate A glycosaminoglycan (formerly called a mucopolysaccharide) found in cartilage, bone, blood vessels and…
- Dystonia, dopa-responsive (DRD) Dystonia, dopa-responsive (DRD): A condition that typically begins in childhood or adolescence with…
- Phosphorylation Phosphorylation is a biochemical process that involves the addition of phosphate to an organic compound…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…
- Foramen A natural opening. Although a foramen is usually through bone, it can be an opening through other types of…
- Marfan syndrome Marfan syndrome: An inherited disorder of connective tissue characterized by abnormalities of the eyes…
- Sick building syndrome Sick building syndrome: A condition caused by exposure to various noxious agents that affect persons employed…
- Quadrant A quarter. For example, the liver is in the right upper quadrant of the abdomen.
- Rape, date Rape of a woman by a man with whom she is acquainted. The rapist is usually the woman's 'date' (escort)…
- HTR1A A gene on chromosome 5 that encodes a type of receptor for serotonin. See: 5-HT1A
- Cell, B See B cell