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).
Familial hypercholesterolemia
The most common inherited type of hyperlipidemia (high lipid levels in blood). One in every 500 children is born with familial hypercholesterolemia. The condition predisposes to premature arteriosclerosis including coronary artery disease…
Read the definitionRandom terms
Show more- Cassette A pre-existing structure into which an insert can be moved. In molecular biology, a gene conversion process…
- Chronic renal failure Slow progressive loss of kidney function over the span of years, resulting in permanent kidney failure…
- Delta cell, pancreatic A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Retinal artery, central The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Acetate A molecular ion derived from acetic acid. The formula of acetate is CH3COO-
- Vitamin P An old name for substances now known as bioflavinoids. They are no longer considered to be vitamins by the…
- Evidence-based medicine The judicious use of the best current evidence in making decisions about the care of the individual patient…
- Prenatal Occurring or existing before birth. Prenatal care is the regular health care women should receive during…
- Aortic valve One of the four valves in the heart, this valve is situated at exit of the left ventricle of the heart where…
- QT syndrome, long An inherited defect in the heart rhythm. In the US alone, it is estimated that 4,000 children and young…
- Thrombectomy Procedure to remove a clot (a thrombus)
- Achalasia Our Achalasia Main Article provides a comprehensive look at the who, what, when and how of Achalasia…