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).
Positional cloning
Cloning a gene based simply on knowing its position in the genome without any idea of the function of that gene. Because this is the reverse of how things have been traditionally done, it has also been called reverse genetics.
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- Red ear syndrome An unusual type of head pain in which the ear becomes red and burning. Attacks may be brought on by triggers…
- Blood pH The acidity or alkalinity of blood. The pH of any fluid is the measure of the hydrogen ion (H-)…
- Vitamin A >Beta carotene: An antioxidant which protects cells against oxidation damage that can lead to cancer. Beta…
- Nail grooves See: Beau's lines
- UDP-glucuronosyltransferase A liver enzyme essential to the disposal of bilirubin (the chemical that results from the normal breakdown of…
- Hepatic duct, common See: Common hepatic duct
- Achilles tendonitis Inflammation of the Achilles tendon, the tough sinew that attaches the calf muscle to the back of the…
- Alpha-glucosidase inhibitor A class of oral medications for type 2 diabetes that decrease the absorption of carbohydrates from the…
- Afferent vessel A vessel that carries blood toward the heart. A vein or venule
- Cardiac stress testing, exercise The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Vesicle In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes…