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).
Liver transplant
Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (or part of one) from a donor. The most common reasons for liver transplantation in children is biliary atresia (a disease in which the ducts that…
Read the definitionRandom terms
Show more- Emetic Something that causes emesis, that makes you want to vomit. For example, ipecac is an emetic. From the Greek…
- Beta-secretase An enzyme that appears to be directly involved in the early development of Alzheimer's disease…
- Gliosis A process leading to scars in the central nervous system that involves the production of a dense fibrous…
- Sleep, twilight Sleep, twilight: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory)…
- Buruli ulcer A disorder caused by infection with a member of the family of bacteria that causes tuberculosis and leprosy…
- Astrocytoma A tumor that begins in the brain or spinal cord in small, star-shaped cells called astrocytes. The location…
- Supernumerary placenta A succenturiate or accessory placenta
- Base in DNA A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence…
- Tiredness See: Tired
- Cholecyst The gallbladder. The word cholecyst is not much used today but it figures into a number of other terms to do…
- Dissect To cut apart or separate tissue as, for example, for anatomical study or in surgery. Also, an artery is said…
- Postmature infant A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length…