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).
Transposon
A short mobile DNA sequence that can replicate and of which copies can be inserted at random sites within chromosomes. A transposon has almost identical sequences at each end and inverted repeat sequences (that run in the opposite…
Read the definitionRandom terms
Show more- Cholesterol, HDL See HDL cholesterol
- Scaling Abnormal shedding or accumulation of an upper layer of skin (the stratum corneum)
- Porcelain gallbladder Calcification of the wall of the gallbladder. The gallbladder looks on ultrasound, abdominal X-ray and…
- Histiocytosis, Hand-Schuller-Christian A disease in which histiocytes start to multiply and attack the tissues or organs of the patient. The disease…
- Carbon dioxide A gas which is the byproduct of cellular metabolism and which collects in the tissues, is cleared from the…
- Liver shunt Transjugular, intrahepatic, portosystemic shunt (TIPS), is a shunt (tube) placed between the portal vein…
- Bladder cancer risks Smoking is a major risk factor. Cigarette smokers develop bladder cancer 2-3 times more often than do…
- Typhoid Mary Someone who by force of circumstances serves as the source from which something undesirable spreads. Typhoid…
- Hyperadrenocorticism Excess hormone called 'cortisol'. Often called Cushing's syndrome, it is an extremely complex condition that…
- Noncoding DNA The strand of DNA that does not carry the information necessary to make proteins. DNA normally has two…
- Ligament, posterior cruciate The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Cow milk allergy Allergy: Casein and whey are the two major proteins of human milk and most milk-based formulas. Some (less…