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).
Waardenburg syndrome
A genetic disorder that causes deafness, white forelock (a frontal white blaze of hair), a difference of color between the iris of one eye and the other (heterochromia iridis), white eye lashes, and wide-set inner corners of the eyes. The…
Read the definitionRandom terms
Show more- Immunization, mumps Mumps: See Immunization, MMR
- B. quintana Also called Rochalimaea quintana), Bartonella quintana is an unusual rickettsial organism that can multiply…
- Gastric atrophy A condition in which the stomach muscles shrink and become weak. It results in a lack of digestive juices…
- Perionychium The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the…
- Hydroxyapatite crystal disease Hydroxyapatite crystal disease:The inflammation caused by hydroxyapatite crystals has been referred to as…
- Thymus gland See: Thymus
- Blister, blood A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- Congenital malformation A physical defect present in a baby at birth, irrespective of whether the defect is caused by a genetic…
- Laser A powerful beam of light that can produce intense heat when focused at close range. Lasers are used in…
- Appendiceal perforation Rupture of appendix
- MG (myasthenia gravis) Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of…
- Lab Short for a laboratory (or a Labrador retriever)