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).
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- Hughes Investigator See: Howard Hughes Medical Institute
- Due date The estimated calendar date when a baby will be born, the date the baby is due to be born. It is also called…
- Speckled iris Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These…
- Avian influenza Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up to 100% mortality…
- Chorioangioma, placental A benign vascular (blood vessel) tumor of the placenta (afterbirth). Large chorioangiomas cause complications…
- Amnesia Lack of memory. Amnesia after trauma can be antegrade or retrograde, depending upon whether the lack of…
- Nolvadex (tamoxifen) Tamoxifen): An antiestrogen (a drug that blocks the effects of estrogen) which competes with estrogen for…
- Aniline A chemical compound implicated, along with o-toluidine, in the causation of bladder cancer. Aniline and…
- Barbat skullcap See: Scutellaria barbata
- Gene, housekeeping See: Housekeeping gene
- Teratogen, coumadin as The anticoagulant ('blood- thinner') coumadin is a known teratogen, an agent that can disturb the development…
- Carbonmonoxyhemoglobin See: Carboxyhemoglobin