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).
Pancreas, annular
An abnormal ring of pancreatic tissue 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…
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Show more- Inkblot test A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- CPEO Chronic progressive external ophthalmoplegia. Slowly progressive paralysis of certain eye muscles. See also…
- Large-cell lymphoma A novel type of bacterium first isolated in Hong Kong in 2001 from the blood and empyema (pus in the chest)…
- Unresectable Unable to be removed (resected) by surgery. To resect is to remove. At the time of diagnosis of esophageal…
- Designer steroid A synthetic steroid derived by simple chemical modification from another steroid, usually an anabolic…
- ICU psychosis ICU psychosis: A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may…
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Colon cancer risk See: Colon cancer family history
- Papules Small solid rounded bumps rising from the skin that are each usually less than 1 centimeter in diameter (less…
- Unit, international (IU) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- DSS1 Or Dss1. A small protein important to the process of error-free DNA repair by recombination
- Pregnancy, hyperemesis of Excessive vomiting during pregnancy which, by definition, leads to the loss of 5% or more of the body weight…