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).
Helical CAT scan
A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the…
Read the definitionRandom terms
Show more- Guarding, abdominal Involuntary tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain…
- Magnesium A mineral involved in many processes in the body including nerve signaling, the building of healthy bones…
- Ocean itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Ileocolitis, Crohn Crohn disease involving both the ileum (the furthest part of the small intestine just before the colon) and…
- Left heart The heart is composed functionally of two hearts - the right heart and the left heart. The left heart…
- Low blood sugar A low blood level of the sugar glucose. Also called hypoglycemia. Hypoglycemia is only significant when it is…
- Heimlich maneuver An emergency treatment for obstruction of the airway in adults. It may be needed when someone chokes on a…
- Colectomy >Right hemicolectomy -- in which the right part of the colon is removed, >Left hemicolectomy -- where the…
- Pulse, cannonball See: Pulse, water hammer
- Mastectomy, radical Removal of all breast tissue, from just under the collar bone to the abdomen, including the chest wall…
- Acid reflux A common condition and an abnormal one in which acid in the stomach rises up into the esophagus. This occurs…
- Danlos syndrome Better known today as Ehlers-Danlos syndrome (EDS), this is an inherited disorder with easy bruising, joint…