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).
Stent
A tube designed to be inserted into a vessel or passageway to keep it open. Stents are inserted into narrowed coronary arteries to help keep them open after balloon angioplasty. The stent then allows the normal flow of blood and oxygen to…
Read the definitionRandom terms
Show more- Electromyogram Electromyogram: A test used to record the electrical activity of muscles. When muscles are active, they…
- Hybridization, nucleic acid A laboratory technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that…
- Amputation Removal of part or all of a body part enclosed by skin. For example, removal of part of a finger or an entire…
- Reproductive cells The eggs and sperm are the reproductive cells. Each mature reproductive cell is haploid in that it has a…
- Capsid The protein coat of a virus. The term capsid came in 1960 from the French capside, from the Latin capsa…
- Osteoclast A cell that nibbles at and breaks down bone and is responsible for bone resorption. Osteoclasts are large…
- Toxin, anthrax The toxic substance secreted by the bacterium Bacillus anthracis, the causative agent of the disease anthrax…
- Aldosterone A hormone made by the outer portion (cortex) of the adrenal gland that regulates the balance of salt and…
- Coarctation A narrowing, a stricture, a constriction. Although the best known coarctation is of the aorta, any artery can…
- Medical entomology The branch of science that deals with insects that cause disease or that serve as vectors of organisms that…
- Antiprotozoal Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Genetic counseling An educational counseling process for individuals and families who have a genetic disease or who are at risk…