effusion

effusion (e-fu´zhun)

1. The escape of fluid from the blood vessels or lymphatics into the tissues or a cavity. 2. The fluid effused. [L. effusio, a pouring out]
joint e. increased fluid in synovial cavity of a joint.
pericardial e. increased amounts of fluid within the pericardial sac, usually due to inflammation.dropsy of pericardium;
pleural e. increased amounts of fluid within the pleural cavity, usually due to inflammation.
subpulmonic e. a collection of fluid in the pleural space principally hidden between the diaphragm and the caudal surface of the lung.

 

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