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).
Infant vitamin requirements
Vitamins are organic substances that are essential in minute quantities for the proper growth, maintenance, and functioning of the baby. Vitamins must be obtained from food because the body cannot produce them. The exception is vitamin D…
Read the definitionRandom terms
Show more- Blood sugar, low The sugar here is glucose. Low blood glucose constitutes hypoglycemia. Hypoglycemia is only significant when…
- Ankle twist See: Ankle sprain
- Joshua Lederberg See: Lederberg, Joshua
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Hexalen Brand name of altretamine. For more information, see: altretamine
- Mudslide injury See: Landslide injury
- Mosaic An individual or tissue containing two or more types of genetically different cells. All females are mosaics…
- Niemann-Pick disease A biochemical disorder affecting a lipid (fat) called sphingomyelin, resulting usually in progressive…
- Coenzyme A substance that enhances the action of an enzyme. (An enzyme is a protein that functions as a catalyst to…
- Calcitonin Calcitonin: A hormone produced by the thyroid gland that lowers the levels of calcium and phosphate in the…
- Detox Short for detoxification, usually from an addictive drug such as alcohol or heroin. A detox center is…
- Diabetes Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mellitus and diabetes…