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).
Varicose vein
A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often associated with incompetency of the valves in the vein. These visible and bulging veins are often associated with symptoms such as tired…
Read the definitionRandom terms
Show more- Hox gene One of a subgroup of homeobox genes that are found in clusters on the genes of vertebrates. These are…
- Vesicointestinal See: Vesicoenteric
- ADA (American Diabetes Association) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- On call In medicine, the person who is ready to respond, the one on duty. As in 'Who is the doctor on call this…
- Fat scales See: Bioelectric impedance analysis
- Wolfram syndrome A genetic neurodegenerative disease that leads to many different abnormalities including diabetes insipidus…
- Restriction fragment length polymorphism A difference in DNA between people that can be recognized by the use of a restriction enzyme. Referred to as…
- Genetic counselor A health professional with a specialized graduate degree and experience in the areas of medical genetics and…
- Progressive supranuclear palsy Progressive supranuclear palsy: A neurologic disorder of unknown origin that gradually destroys cells in many…
- Lymphoma, low-grade See: Low-grade lymphoma
- Progeria A rare genetic disorder that causes children to age prematurely. The classic type of childhood progeria is…
- Caspase 3 An enzyme that plays a key role in programmed cell death, or apoptosis. Caspase 3 has been called the…