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.
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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).
Dissecting aneurysm
A localized widening (dilatation) of an artery (an aneurysm) in which the wall of an artery rips (dissects) longitudinally. This occurs because bleeding into the weakened wall splits the wall. Dissecting aneurysms tend to affect the…
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Show more- Diathermy The use of heat to destroy abnormal cells. Also called cauterization or electrodiathermy.
- Shunt, triculoperitoneal A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Ovariectomy The removal of one or both ovaries. Also called an oophorectomy
- Dengue shock syndrome A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Ewing sarcoma Sarcoma: A type of bone tumor that occurs in children and adolescents, most often in the large bones of the…
- Probiotic A microbe that protects its host and prevents disease. The best-known probiotic is Lactobacillus acidophilus…
- Self, fear of An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Hemorrhagic diarrhea, E. coli Bloody colitis (inflammation of the bowel) caused by E. coli, usually by the strain E. coli 0157:H7. The…
- Pediatric rheumatologist See: Urinary tract infection in children.
- Adverse reaction In pharmacology, any unexpected or dangerous reaction to a drug. An unwanted effect caused by the…
- Phytotoxin A poison in a plant. Abrin and ricin are examples of phytotoxins. Abrin comes from the seeds of a plant…
- Nanny cam A camcorder (a video camera and video recorder in one unit) that displays a live feed so that parents can…