A surgical operation is sometimes undertaken with success for enabling the engorged veins to empty themselves into the blood-stream in a manner so as to avoid the liver-route.
A bubo is found to consist of a chain of enlarged glands, surrounded by a mass of engorged connective tissue, coagulated blood and serum.
The lungs are engorged and oedematous, and often show haemorrhages.
The surrounding tissue is not engorged or oedematous.
They seize hold of the first that brushes by, and crawling to a suitable place become engorged with blood.