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).
Bypass, cardiopulmonary
Bypass of the heart and lungs as, for example, in open heart surgery. Blood returning to the heart is diverted through a heart-lung machine (a pump-oxygenator) before returning it to the arterial circulation. The machine does the work both…
Read the definitionRandom terms
Show more- Delta-storage pool disease See: Hermansky-Pudlak syndrome
- Venereal wart A wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging…
- Nephritis Inflammation of the kidney. Nephritis can be acute or chronic. Acute nephritis is most commonly caused by…
- Gouty arthritis An attack that is usually extremely painful of joint inflammation due to deposits of uric acid crystals in…
- Familial cancer Cancer or a predisposition (tendency) to it that runs in families.
- Ear, inner There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Solitary tapeworm Taenia solium
- Environmental toxicology The toxicity and toxicology of environmental pollutants in air, dust, sediment, soil and water, and natural…
- Prophylactic cranial irradiation Radiation therapy to the head intended to prevent cancer from spreading (metastasizing) to the brain.
- Virology The study of viruses
- Code, emergency While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Vaccinia necrosum See Progressive vaccinia