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).
Supraventricular tachycardia
Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical impulses from a focus above the atrioventricular node (A-V node) in the heart. Called supraventricular because the tachycardia…
Read the definitionRandom terms
Show more- Valsalva maneuver A maneuver in which a person tries to exhale forcibly with a closed glottis (the windpipe) so that no air…
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome
- Keratitis, vaccinia See Vaccinia keratitis
- Koplik's spots Little spots inside the mouth that are highly characteristic of the early phase of measles (rubeola). The…
- Inguinal orchiectomy Surgery to remove the testicle, with the incision made through the groin.
- Tick-borne disease >Babesiosis (a malaria-like infection) >Colorado tick fever (generally in the western US) >Ehrlichiosis >Lyme…
- Diffuse cutaneous mastocytosis See: Diffuse mastocytosis
- Lymphatic tissue A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphatic…
- Bornholm disease Bornholm disease is a temporary illness that is a result of virus infection. The disease features fever and…
- Radiculopathy Any disease of the spinal nerve roots and spinal nerves. It is synonymous with radiculitis. Radiculopathy is…
- Chlamydia trachomatis A bacterium that causes a disease called trachoma that results in blindness so frequently that it places a…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)