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).
MG (myasthenia gravis)
Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of muscles. It is caused by a mistaken immune response to the nicotinic acetylcholine receptors (AChR), which are found in junctions…
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Show more- Coinsurance A provision by which the insured individual shares in the cost of certain expenses. The same as co-payment
- Sleep drug Any drug used to help sleep. Most prescription sleep drugs are sedative hypnotic agents. They include Valium…
- Radioallergosorbent test An allergy test done on a sample of blood. The test is used to check for allergic sensitivity to specific…
- Cradle-cam See: Kiddie cam
- Osteogenesis imperfecta Brittle bone disease. Osteogenesis imperfecta (OI) is not one but a group of genetic diseases, all of which…
- Lysosome An organelle (a little organ) in a cell containing enzymes that degrade macromolecules (large molecules) and…
- Postcoital contraception See: Emergency contraception
- Bee sting Stings from bees and other large stinging insects such as yellow jackets, hornets and wasps can trigger…
- Xanthine A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas…
- Paresis, general A part of late ('tertiary') syphilis a decade or more after the initial infection, due to chronic…
- Glaucoma treatment (surgery) Surgery can also help fluid escape from the eye and thereby reduce the pressure. However, surgery is now…
- CABG, off-pump See: Off-pump CABG