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).
Hypoplasia, syndromatic hepatic ductular
Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn period, liver disease with cholestasis, peripheral pulmonic stenosis and unusual face. Children with Alagille…
Read the definitionRandom terms
Show more- Incontinence, rectal Inability to hold feces in the rectum due to failure of voluntary control over the anal sphincters with…
- Chromosome, Y See: Y chromosome
- GFAP Glial fibrillary acidic protein. The degenerative brain condition called Alexander disease is caused by…
- Single-payer health care A system of health care characterized by universal and comprehensive coverage. Single-payer health care is…
- Tendo Achilles See: Achilles tendon
- Acapnia Less than the normal level of carbon dioxide in the blood. The opposite of hypercapnia. The origin of the…
- Dehydroepiandrosterone DHEA. A steroid hormone made by the adrenal glands that acts on the body much like testosterone and is…
- Interleukins Substances used in biological therapy. Interleukins stimulate the growth and activities of certain kinds of…
- Food and Drug Administration The FDA, an agency within the U.S. Public Health Service, which is a part of the Department of Health and…
- Costal margin The lower edge of the chest (thorax) formed by the bottom edge of the rib cage
- Percutaneous Through the skin, as in a percutaneous biopsy
- Artery, central retinal The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…