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).
Chemical reaction
A process in which one substance is transformed into another. Thousands of different types of chemical reactions occur in the body and are essential to its structure and function
Read the definitionRandom terms
Show more- Neurotheology The search for the place(s) in the brain where religious beliefs originate. Neurotheology mixes terms and…
- Nitrogenous base A molecule that contains nitrogen and has the chemical properties of a base. The nitrogenous bases in DNA are…
- Miller's lung A type of allergic inflammation of the lungs (hypersensitivity pneumonitis) in people who are hypersensitive…
- Splicing, alternative See Alternative splicing
- Proctocele See: Rectocele
- Nodes, Osler's A diagnostic sign of bacterial infection of the heart (subacute bacterial endocarditis). These are small (the…
- Sepsis Commonly called a 'blood stream infection.' The presence of bacteria (bacteremia) or other infectious…
- IPV Abbreviation for intelligence quotient, an attempt to measure the intelligence of someone. The IQ score is…
- Malaise A vague feeling of discomfort, one that cannot be pinned down but is often sensed as 'just not right.'…
- Parainfectious Occurring at the time of and in association with an acute infection or an episode of infection. For example…
- Boomeritis Injuries to older amateur athletes, especially those who are part of the Baby Boom, born when there was a…
- Encephalitis, eastern equine See: Eastern equine encephalitis