exudate

eksudaatti

tihkua A fluid that has exuded from somewhere; especially one that has exuded from a pore of an animal or plant.
1861 Stephen Jennings Goodfellow - Lectures on the Diseases of the Kidney, Generally Known as Brights Disease, and Dropsy

The whitish lines of exudate seem at times to penetrate even between the straight tubes . . .

When this is done, one should leave the poppy for some time, then return to it and gather any further exudate.

(rfquotek)