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).
Poliovirus
A member of the enterovirus subgroup, family Picornaviridae. Enteroviruses are transient inhabitants of the gastrointestinal tract. Picornaviruses are small viruses with an RNA genome. There are three strains of poliovirus. They are called…
Read the definitionRandom terms
Show more- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Apollo In Greek mythology, often considered to be a god of healing. In stories such as The Iliad, Apollo is depicted…
- Crack (drug) The street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free…
- Freckle A flat circular spot on the skin about the size of the head of a nail that develops after repeated exposure…
- Hospital-acquired infection An infection caught while hospitalized. The medical term for a hospital-acquired infection is 'nosocomial.'…
- Contiguous gene syndrome A disorder due to deletion of multiple gene loci that are adjacent to one another. Contiguous gene syndromes…
- Head, optic nerve The circular area in the back of the inside of the eye where the optic nerve connects to the retina
- Miller's lung A type of allergic inflammation of the lungs (hypersensitivity pneumonitis) in people who are hypersensitive…
- DYS Symbol for familial dysautonomia. See: Familial dysautonomia.
- Chest pain Cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Chest pain Main…
- Psoralen Any of a number of drugs and other substances containing chemicals that react with ultraviolet (UV) light to…
- Hemolytic Referring to hemolysis, the destruction of red blood cells which leads to the release of hemoglobin from…