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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Library
In genetics, a library is an unordered collection of clones (i.e., cloned DNA from a particular organism), whose relationship to each other can be established by physical mapping. For example, you can have an E. coli library or a human DNA…
Read the definitionRandom terms
Show more- Nucleus, caudate See: Caudate nucleus
- Temporal-lobe epilepsy Epilepsy that is characterized by abnormal electrical activity in the temporal lobe of the brain. This…
- Midlife crisis A period of personal emotional turmoil and coping challenges that some people encounter when they reach…
- Infiltrating lobular carcinoma of the breast Breast: Infiltrating lobular carcinoma is the second most common type of invasive breast cancer next to…
- Medical physics The science of human health and radiation exposure. Medical physics, also called health physics, is devoted…
- Endoscopic sphincterotomy An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a…
- Bayes' theorem See: Bayes theorem
- French paradox A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- DOTS Stands for Directly Observed Treatment, Short-course. DOTS is a strategy used to reduce the number of…
- Antiatherogenic mutation A genetic mutation that protects against atherogenesis, the formation of atheromas (plaques) in arteries…
- Broken hip Fractured bone in the hip, a key health problem among the elderly, usually due to a fall or other kind of…
- AV node An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the…