MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Adverse event
In pharmacology, any unexpected or dangerous reaction to a drug
Read the definitionRandom terms
Show more- Evidence based medicine See: Evidence-based medicine
- Persantine thallium scan A type of myocardial perfusion scan done to disclose any areas of the heart muscle that may not be getting…
- Niemann-Pick disease type A The classical infantile form of the disease. See: Niemann-Pick disease
- Sagittal A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Menstrual synchronization A phenomenon that occurs when two or more menstruating women live together, in which the menstrual cycles of…
- Q fever vaccine A vaccine against Q fever, an illness first recognized in Australia in the 1930's that affects people dealing…
- Queensland tick typhus One of the tick-borne rickettsial diseases of the eastern hemisphere. Queensland tick typhus is similar to…
- Purpura, thrombotic thrombocytopenic (TTP) A life-threatening disease involving embolism and thrombosis (plugging) of the small blood vessels in the…
- Monoamine oxidase inhibitor One of a potent class of medications used to treat depression. Abbreviated MAOI.
- Kubler-Ross See: Kubler-Ross, Elisabeth
- Computerized tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Nonpenetrant trait A genetic trait (characteristic) that is present in the genome but does not manifest itself in the…