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).
Open heart surgery
Surgery in which the chest is opened and surgery is performed on the heart. The term 'open' refers to the chest, not to the heart itself. The heart may or may not be opened depending on the particular type of surgery
Read the definitionRandom terms
Show more- Lower GI series Short for lower gastrointestinal series. A series of x-rays of the rectum, colon and lower section of the…
- Lymphangitis The red streaking and gland (lymph node) swelling in the area of an injury especially on the extremities. It…
- Injection snoreplasty To harm, hurt, or wound. The word injure may be in physical or emotional sense. Treadmill machines may injure…
- Syndrome, phantom limb See Phantom limb syndrome
- Hymen A thin membrane which completely or partially occludes the vaginal opening. The hymen is a fold of mucous…
- Superjacent Lying just above or upon. Overlying. The opposite of superjacent is subjacent. Other related terms include…
- Hypochondria 1. Synonym for the disorder officially called hypochondriasis. 2. The plural of hypochondrium, referring to…
- Tattoos & permanent makeup The intradermal application of inks for the purpose of tattooing or permanent makeup (also known as…
- Protean Very variable; easily changing; or continually changing. Protean is not to be confused with protein (a member…
- Foreign body airway obstruction Partial or complete blockage of the breathing tubes to the lungs due to a foreign body (e.g., food, a bead…
- Pupil The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the…
- Lab result The result of a test done in a laboratory