This observation led him to further work, and he succeeded in showing that in vascular organs the presence of cells in inflammatory exudates is not the result of exudation but of multiplication of pre-existing cells.
Exudates are poured out under inflammatory conditions, while none of the truly dropsical effusions are of inflammatory origin; and hence the class of exudates, as above defined, may be rejected from the category of liquids we are at present considering.
(1888); Pickardt, " Chemistry of Pathological Exudates," Berl.
The toxin is released in root exudates from a number of maize hybrids expressing three different transformation events  .
Exudates may accumulate in the surrounding tissue or may be discharged outside the body.