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).
Universal colitis
Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a relatively common disease involving inflammation of the large intestine (the colon). The cause is unknown. It is a form of inflammatory…
Read the definitionRandom terms
Show more- Calcaneocuboid joint The calcaneocuboid joint is located in the foot between the calcaneus bone (the heel bone) and the cuboid…
- Heritable connective tissue disease A disorder due to mutation of a gene responsible for connective tissue, the material that gives tissues form…
- Orbit In medicine, the bony cavity in which the eyeball sits together with its associated muscles, blood vessels…
- Irradiation The use of high-energy radiation from x-rays, gamma rays, neutrons, and other sources to kill cancer cells…
- Normal range By convention, the normal range for whatever (a particular test, condition, symptom, behavior, etc.) is set…
- Pancreatitis Pancreatitis: Inflammation of the pancreas. Of the many diverse causes of pancreatitis, the most common are…
- Library, cDNA A collection of DNA sequences generated from mRNA (messenger RNA) sequences. This type of DNA library…
- Fusiform aneurysm A vascular outpouching shaped like a spindle. A fusiform widening of an artery or vein. An aneurysm is a…
- Cyt- Prefix used in place of cyto- before a vowel. See: Cyto-
- Remission Disappearance of the signs and symptoms of cancer or other disease. When this happens, the disease is said to…
- Immunization, DTaP Like DPT, DTaP protects from diphtheria, pertussis (whooping cough) and tetanus. DTaP is the same as DTP…
- Microsomia Too small a body. A child with microsomia has significant undergrowth. The prefix 'micro-' is derived from…