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).
Magnesium
A mineral involved in many processes in the body including nerve signaling, the building of healthy bones, and normal muscle contraction. About 350 enzymes are known to depend on magnesium. Magnesium is contained in all unprocessed foods…
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Show more- Cardiovascular syncope Cardiovascular syncope: Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there…
- Crossed embolism Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel…
- Angina, variant Angina, variant: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of…
- Aspartic acid An amino acid, one of the 20 building blocks of protein. A amino acid that is not essential to the human…
- Vitamin D A steroid vitamin which promotes the intestinal absorption and metabolism of calcium and phosphorus. Under…
- CB1 See: Cannabinoid receptor 1
- Open reading frame A long sequence of DNA that has no stop codon (no signal to stop reading) and therefore may encode part or…
- Expressed sequence tag (EST) A unique stretch of DNA within a coding region of a gene that is useful for identifying full-length genes and…
- Needlestick injury A penetrating stab wound from a needle (or other sharp object) that may result in exposure to blood or other…
- The Lancet A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since…
- Hemoglobin, carbon monoxide See: Carboxyhemoglobin
- Epilepsy, partial A seizure that affects only one part of the brain. Symptoms will depend on which part is affected: one part…