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).
Nocardiosis
An infection with bacteria called Nocardia which tend to strike the lungs, brain and skin, particularly in people with an impaired immune system. The majority (about 80%) of cases of nocardiosis involves lung infection, brain abscess, or…
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- Shunt, transjugular, intrahepatic, portosystemic A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Menstruation, anovular Menstruation without ovulation. The egg stays within the ovary and usually disintegrates but sometimes it is…
- French paradox A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- Mag sulfate Informal shortening of magnesium sulfate
- Lateral 1. In anatomy, the side of the body or a body part that is farther from the middle or center of the body…
- Rhinitis Chronic Inflammation of the nose that goes on for weeks to months which is different from 'a cold', and may be caused…
- Thorn test An early test for Addison's disease. The test is named for Dr. George W. Thorn who devised it. See: Thorn…
- Deficiency, GALT Lack of the enzyme called GALT (galactose-1-phosphate uridyl transferase) which causes the genetic metabolic…
- Matter, gray The cortex of the brain which contains nerve cell bodies. The gray matter is as opposed to the white matter…
- Fertility awareness Also known as natural family planning, periodic abstinence and the rhythm method, this approach entails not…
- Malrotation of the intestine Failure for the intestine to rotate normally during embryonic development. One of the dangers is that the…