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).
Borrelia burgdorferi
The spirochete (a type of bacteria) that causes Lyme disease. Named after its discoverer, Dr. Willy Burgdorfer. See: Borrelia
Read the definitionRandom terms
Show more- Hereditary sensory and autonomic neuropathy III A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…
- Compound heterozygote The presence of two different mutant alleles at a particular gene locus, one on each chromosome of a pair…
- Arteries, coronary The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries…
- Calculi, renal Kidney stones, by another name. A common cause of blood in the urine and pain in the abdomen, flank, or…
- Hypernatremia Elevated blood sodium. Sodium is the major positive ion (cation) in fluid outside of cells. The chemical…
- Immune Protected against infection. The Latin immunis means free, exempt.
- Continuous passive motion machine A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…
- Operating room A facility equipped for performing surgery. Abbreviated OR
- Adenoma A benign tumor that arises in or resembles glandular tissue. If it becomes cancerous, it is called an…
- Angina, Vincent Angina, Vincent: This is trench mouth, a progressive painful infection with ulceration, swelling and…
- Congenital synostosis of cervicothoracic vertebrae See: Klippel-Feil sequence