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).
Sleep, twilight
Sleep, twilight: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory) produced by a mixture of morphine and scopolamine ('scope') given by a hypodermic injection (an injection under the skin). The…
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Show more- Smokeless tobacco Tobacco that is not smoked but used in another form such as chewing tobacco or snuff. Cancers of the oral…
- Pregnancy-associated plasma protein A Abbreviated as PAPPA or PAPP-A. A large zinc-binding protein that acts as an enzyme, specifically a…
- Bromism A disease caused by chronic exposure to bromine or one of its compounds. Bromism is characterized by mental…
- Tomogram A radiograph (x-ray) of a selected layer of the body made by tomography. A tomogram is a two-dimensional…
- Snowmobile safety Snowmobiles pose a significant risk to children, adolescents and young adults. Head injuries are the leading…
- Hereditary ALS See: Familial ALS
- Xanthine A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas…
- Subdeltoid Beneath the deltoid, the large muscle that stretches from the clavicle (collarbone) to the humerus (the long…
- Belly That part of the body that contains all of the structures between the chest and the pelvis. Also called the…
- Holmes, Oliver Wendell, Sr. (1809-1894). Celebrated American physician and professor of medicine (anatomy and physiology) at Harvard, and…
- Chasing the dragon A practice of heroin use involving heating heroin and then inhaling it. Some heroin users have gone to this…
- Lithotripsy, extracorporeal shock wave See: Extracorporeal shock wave lithotripsy