Meaning of purulent exudate

Purulent exudate is mainly formed of pus and often referred to as exudate of suppurative nature.

Explanation:

Purulent exudate is comprised of plasma fluid, active neutrophils, some renmants of dead neutrophils, dead microbes, fibrinogen and cells of parenchyma with necrosis and widespread infections. The purulent exudate generally resembles a thick liquid that may become yellowish, greenish or brownish depending upon nature of infections. When the exudate only contains fibrin or fibrinogen then it is referred to as exudate of fibrinous nature.