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).
Crohn ileocolitis
Crohn disease involving the ileum (the lowest portion of the small intestine) and the colon (the large intestine). Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect…
Read the definitionRandom terms
Show more- Diurnal Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can…
- Psychodynamic medication See: Psychotropic medication
- Piriformis syndrome Irritation of the sciatic nerve caused by compression of the nerve within the buttock by the piriformis…
- Perforation, nasal septum A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides…
- Sulfa drug One of the sulfonamides, the sulfa-related antibiotics which are used to treat bacterial and some fungal…
- Vaccination, serum hepatitis Serum hepatitis is hepatitis B (hep B). Hep B vaccine gives prolonged protection, but 3 shots over a half…
- Parkinson disease gene A gene involved in the causation of Parkinson disease. There are a number of different autosomal dominant and…
- Fourth cranial nerve The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Brain swelling See: Cerebral edema
- Acute coronary syndromes A spectrum of conditions involving chest discomfort or other symptoms caused by lack of oxygen to the heart…
- Hypertension, gestational High blood pressure that develops during pregnancy and may subside after delivery. Women who have experienced…
- Borrelia burgdorferi The spirochete (a type of bacteria) that causes Lyme disease. Named after its discoverer, Dr. Willy…