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).
Disease, cat scratch
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of…
Read the definitionRandom terms
Show more- Aux- Prefix indicating growth or increase
- Diabetes, unstable A term used when a diabetic person's blood glucose (sugar) level often swings quickly and widely from high to…
- Replication A turning back, repetition, duplication, reproduction
- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Sprain, metatarsophalangeal joint See: Metatarsophalangeal joint sprain
- Viremia The presence of a virus in the blood. Viremia is analogous to bacteremia (the presence of bacteria in the…
- AAA Abdominal aortic aneurysm
- Vestibular 1) Having to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. 2) Having…
- Ependymoma A type of brain tumor derived from the cells that line the cavities within the ventricles of the brain and…
- Motor neuron A neuron that sends electrical output signals to muscle neurons. Also called a motoneuron
- Alb- Prefix from the Latin 'albus' meaning 'white.' As in albino and albinism. The term 'albino' was first applied…
- Tongue cancer Cancer: Malignancy of the tongue; squamous cell carcinoma of the tongue. Risk factors include smoking…