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- Dentin Dentin is the hard tissue of the tooth surrounding the central core of nerves and blood vessels (pulp).
- Nominal aphasia See Anomia
- Supernumerary Beyond the normal number. Anything supernumerary is extra. A supernumerary chromosome is an extra one beyond…
- Globus minor The globus minor is the tail of the epididymis, a cordlike structure just behind the testis. The globus major…
- Internal genitalia, male See: Male internal genitalia
- Consultant An individual to whom one refers for expert advice or services. The use of consultants is common in medicine…
- Flood readiness Getting ready for a possible flood. Here are some basic steps to take to prepare well in advance for a…
- Paternal age The age of the father at the time he conceives a child. The present mean (average) paternal age is 27 years…
- Purpura 1. A hemorrhagic area in the skin. The area of bleeding within the skin, by definition, is greater than 3…
- Impetigo Impetigo: A bacterial skin infection caused by the staphylococcus or, more rarely,streptococcus bacteria. The…
- De Quervain's tenosynovitis De Quervain's tenosynovitis: De Quervain's tenosynovitis is inflammation of tendons on the side of the wrist…
- Ornithine An amino acid that is not found in protein but is important in the formation of urea and the disposal of…