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).
Alkaloid
A member of a large group of chemicals that are made by plants and have nitrogen in them. Many alkaloids possess potent pharmacologic effects. The alkaloids include cocaine, nicotine, strychnine, piperine, caffeine, morphine, pilocarpine…
Read the definitionRandom terms
Show more- Nevi The plural of nevus
- L Abbreviation for liter, a metric measure of capacity that, by definition, is equal to the volume of a…
- Transposition, genetics The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Glucocentric Focused on glucose, particularly to the exclusion of other factors. As in 'We have a body of evidence and the…
- Alprazolam Alprazolam: A benzodiazepine sedative that causes dose-related depression of the central nervous system…
- Rooting reflex A reflex seen in newborn babies, who automatically turn their face toward the stimulus and make sucking…
- Adenoma A benign tumor that arises in or resembles glandular tissue. If it becomes cancerous, it is called an…
- Medication, anti-platelet Platelet-blocking drugs. Drugs that, like aspirin, reduce the tendency of platelets in the blood to clump and…
- Branched-chain ketoaciduria See: Maple syrup urine disease
- Aspiration pneumonia Pneumonia: Infection of the lungs due to aspiration (the sucking in of food particles or fluids into the…
- SPD calcinosis Striopallidodentate (SPD) calcinosis, a condition first described in 1930 by T. Fahr and therefore called…
- Intraepithelial Within the layer of cells that forms the surface or lining of an organ