Nov 18, 2025 · Find out what joint effusion is and how it affects your joints, with insights on symptoms, diagnosis, and treatment for effective relief.

Joint effusion (a swollen joint) happens when extra fluids flood the tissues around your joint. The fluids make your joint look larger and puffier compared to your other joints.

: the flow of a gas through an aperture whose diameter is small as compared with the distance between the molecules of the gas. Her poetic effusions became tiresome. Recent Examples on the Web. …

Nov 16, 2011 · Effusion is the term for accumulation of fluid in a body cavity particularly within the cranial cavity, in the middle ear, around the lungs, around the heart, in the abdomen (peritoneal cavity) and …

Feb 19, 2026 · Having fluid buildup in your knee or other joints can cause pain & limited mobility. Learn common treatments for joint effusions for mild & severe cases.

Aug 8, 2023 · Effusion, in a medical context, refers to the abnormal accumulation of fluid in a body cavity or space. This excess fluid buildup can occur in various areas of the body, such as the pleural cavity …

effusion 1. Movement of fluid from its usual situation, to form a collection elsewhere. 2. The collection of fluid in an abnormal site, as in a pleural effusion, a pericardial effusion or a joint effusion.

EFFUSION definition: the act of effusing or pouring forth. See examples of effusion used in a sentence.

Jun 15, 2025 · Effusion refers to the accumulation of excess fluid in a body cavity or space, often as a result of inflammation, injury, or disease. This condition can occur in various parts of the body, …

An abnormal collection of fluid in hollow spaces or between tissues of the body. For example, a pleural effusion is a collection of fluid between the two layers of membrane covering the lungs.