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).
Degeneration, macular
Degeneration, macular: A disease that progressively destroys the macula, the central portion of the retina, impairing central vision. Macular degeneration rarely causes blindness because only the center of vision is affected. However…
Read the definitionRandom terms
Show more- Resveratrol An antioxidant present in many plants. Resveratrol is a type of polyphenol called a phytoalexin, a class of…
- Cupping 1. A cup-shaped depression, as in the head of the optic nerve in the eye. 2. Treatment in which a cup is…
- Common bile duct The duct that carries bile from the gallbladder and liver into the duodenum (the upper part of the small…
- Rotator cuff Rotator cuff: A group of four tendons that stabilize the shoulder joint. Each of the four tendons hooks up to…
- Tendon The tissue by which a muscle attaches to bone. A tendon is somewhat flexible, but fibrous and tough. When a…
- Eosinophil A type of leukocyte (white blood cell) with coarse round granules of uniform size within its cytoplasm and…
- Pseudogout Pseudogout: Inflammation of the joints caused by deposits of calcium pyrophosphate crystals, resulting in…
- Law, Hardy-Weinberg Basic concept in population genetics discovered independently in 1908 by the great English mathematician…
- Infectious Diseases, Nat'l Institute of Allergy & See Hepatitis A.
- Blister, blood A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- Eyelid granulation See Blepharitis
- Epinephrine A substance produced by the medulla (inside) of the adrenal gland. The name epinephrine was coined in 1898 by…