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).
Glisson's capsule
The capsule of the liver. A layer of connective tissue surrounding the liver and ensheathing the hepatic artery, portal vein, and bile ducts within the liver. Named for the British physician, anatomist, physiologist, and pathologist…
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Show more- Medicins Sans Frontieres A group which sends physicians and other health workers to some of the most destitute and dangerous parts of…
- Macular hole A hole in the macula, the tiny oval area made up of millions of nerve cells located at the center of the…
- Monkeypox Monkeypox: A rare zoonotic (animal-borne) viral disease similar to smallpox. The virus responsible for…
- Proxi- Toward the beginning, the nearer of two (or more) items. For example, the proximal end of the femur is part…
- Film, lateral An X-ray picture taken from the side
- Disease, Creutzfeldt-Jakob (CJD) A dementing disease of the brain. It is believed due to an unconventional (not a bacteria or virus)…
- Radiation therapy, conformal A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Apnea, obstructive sleep Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Zidovudine triphosphate The active form of zidovudine which is also known as AZT. See: AZT
- Pregnancy danger from fifth disease Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks…
- Preventive medicine Medicine designed to avert and avoid disease. Screening for hypertension and treating it before it causes…
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…