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).
Great Plague
The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague was a highly contagious, infectious, virulent, devastating disease due to a bacteria called Yersinia pestis which mainly infects…
Read the definitionRandom terms
Show more- Sun poisoning 1. A nonscientific term sometimes used to refer to the serious and even potentially fatal symptoms of severe…
- Hereditary essential tremor See: Essential tremor
- Bypass, coronary See: Coronary artery bypass graft.
- Health, child Child health is the purview of pediatrics. 'Pediatrics is concerned with the health of infants, children and…
- Vaccine, live polio See: Polio vaccine, oral
- Intersex A group of conditions sometimes referred to as disorders of sexual development (DSDs) in which there is a…
- Hereditary spastic paraplegia, autosomal dominant A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- Quadriceps Although the term 'quadriceps' technically may refer to any four-headed muscle, it usually refers to and is…
- Vitamin B1 deficiency, infantile See: Infantile beriberi
- Heroin Semisynthetic drug derived from morphine. Discovered in 1874, it was introduced commercially in 1898 by the…
- Aggressive angiomyxoma A slow-growing tumor of stromal cells which occurs primarily in the genital and pelvic regions. This tumor is…
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…