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).
Heart-lung machine
A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for example, in open heart surgery. Blood returning to the heart is diverted through the machine before returning it to the arterial…
Read the definitionRandom terms
Show more- Disease, Hodgkin (adult) A type of lymphoma (cancer of the lymphatic system). The most common symptom is painless swelling of the…
- Ataxia, cerebellar See: Ataxia
- Snuffbox, anatomical A hollow seen on the radial aspect (the thumbside) of the dorsum (the back) of the wrist when the thumb is…
- Idiopathic thrombocytopenic purpura A 'wastepaper basket' for those cases of immune thrombocytopenic purpura whose cause is still unknown. See…
- Chemoprevention The use of natural or laboratory-made substances to prevent a disease such as cancer. The regular use of…
- Social phobia Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Elbow dislocation See: Nursemaid's elbow
- Biological chemistry Another name for biochemistry -- the study of the chemistry of living cells, tissues, organs and organisms…
- Malattia leventinese An hereditary form of macular degeneration that results in progressive and irreversible visual loss. This…
- Prion disease A disease due to a prion, a proteinaceous infectious particle that lacks nucleic acids. Prions are composed…
- Vaginitis, atrophic Thinning of the lining (the endothelium) of the vagina due to decreased production of estrogen. This may…
- Stress Stress: Forces from the outside world impinging on the individual. Stress is a normal part of life that can…