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).
Arthritis, Lyme
Inflammation of the joints associated with Lyme disease, a bacterial disease spread by ticks
Read the definitionRandom terms
Show more- Nephrosclerosis Hardening (sclerosis) of the kidney usually due to disease of the blood vessels in it from atherosclerosis.
- Menetrier's disease See: Giant hypertrophic gastritis
- Kwashiorkor The word kwashiorkor comes from the Ivory Coast. It means the deposed (no longer suckled) child. Kwashiorkor…
- Large intestine Comes after the small intestine. Large because it is wider than the small intestine
- Ab ovo Latin expression for 'from the beginning.' Ab ovo literally means 'from the egg.
- Tonsil stone A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Bladder Any pouch or other flexible enclosure that can hold liquids or gases but usually refers to the hollow organ…
- Aseptic The absence of microorganisms. By contrast, something that just discourages the growth of microorganisms is…
- PTU Propylthiouracil, an antithyroid medication, a drug that blocks the production of thyroid hormone by the…
- Pain unit A measurement of the intensity of pain. See also: Dol
- Sac, pericardial See: Pericardial sac
- Mutation, null A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a…