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).
Annular pancreas
An abnormal ring of pancreas that encircles the duodenum and often causes intestinal obstruction. Nausea and vomiting are the usual symptoms and reflect the intestinal obstruction. Complete obstruction is usually evident in the newborn…
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Show more- Syndrome, battered child A disease in which children are physically abused. The battered child syndrome is a form of child abuse. Not…
- Resting phase More appropriately called interphase. The interval in the cell cycle between two cell divisions when the…
- Pest (plague) An infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly infects rats and other…
- Epsom salt Magnesium sulfate. Known as Epsom salt because it was originally extracted from the mineral-rich water of…
- Idiopathic scoliosis A "wastepaper basket" for those cases of immune thrombocytopenic purpura whose cause is still unknown. See…
- Transcription factor A protein that controls when genes are switched on or off -- whether genes are transcribed or not…
- Prescription abbreviations A prescription, as is well known, is a physician's order for the preparation and administration of a drug or…
- Test, allergy skin Allergy skin: Test done on the skin to identify the allergy substance (the allergen) that is triggering the…
- Fever, jail See: Typhus, epidemic
- Congenital arthrogryposis Nonprogressive congenital contractures that develop before birth and are evident at birth (congenital). The…
- Teratogenic drugs A teratogen is an agent that can disturb the development of the embryo or fetus. Teratogens halt the…
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)