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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Bayes' theorem
See: Bayes theorem
Read the definitionRandom terms
Show more- Endometriosis uterina Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Osteogenesis imperfecta with blue sclerae See: Osteogenesis imperfecta type I.
- Hematemesis The medical term for bloody vomitus. The word 'hematemesis' is made up of 'hema-', blood + 'emesis', vomit =…
- Scorbutus Scurvy. Ascorbic acid was so-named because it prevents scorbutus (scurvy). See also: Paprika
- SCID Severe combined immunodeficiency disease
- Sphingomyelinase deficiency Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Cognitive therapy A relatively short-term form of psychotherapy based on the concept that the way we think about things affects…
- Evolutionarily conserved gene A gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it…
- PA (posteroanterior) In anatomy, PA stands for posteroanterior: from back-to-front. For example, a PA X-ray of the chest is taken…
- Syringe A device used in medicine to inject fluid into or withdraw fluid from the body. Medical syringes consist of a…
- Clap Gonorrhea, a bacterial infection transmitted by sexual contact. Gonorrhea is one of the oldest known sexually…
- Livedo reticularis A mottled purplish discoloration of the skin. Livedo reticularis can be a normal condition that is simply…