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).
Chromosome, dicentric
A chromosome in the stage of the cell cycle (the sequence of events in the life of a cell) when a chromosome is most condensed and easiest to distinguish and so to study. Metaphase chromosomes are often chosen for karyotyping and for…
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Show more- PEP The abbreviation PEP stands for a number of things in medicine including post-exposure prophylaxis…
- National Institute of Environmental Health Science EHS): A part of the National Institutes of Health (NIH) in the United States. NIEHS states that its mission…
- Hodgkin, Dorothy British crystallographer and Nobel Prize winner (1910-1994). Dorothy Crowfoot, as she was born, was educated…
- Uncertainty You may be uncertain why 'uncertainty' deserves a place in a medical dictionary but some would say that…
- Bile acid resin Bile acid resins are substances that bind in the intestines with bile acids that contain cholesterol and are…
- ETM1 A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the…
- Sigmoidoscopy, flexible Inspection of the inside of the rectum and lower part of the colon using a thin flexible lighted tube (a…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Alprazolam Alprazolam: A benzodiazepine sedative that causes dose-related depression of the central nervous system…
- Excess selenium Too much selenium (selenosis) which may cause reversible balding and brittle nails, give a garlic odor to the…
- FLAP A gene that helps make a leukotriene, a signal that activates the white blood cells involved in inflammation…
- Methadone A synthetic opiate. The most common medical use for methadone is as a legal substitute for heroin in…