These necrotic processes may pass beneath the mucous membrane and even involve the underlying bony structure.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
These are cases that occasionally present the pulmonary and intestinal symptoms, and sometimes develop also caseo-necrotic lesions in the liver.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The necrotic tissue is very adherent and can be only partially peeled off.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler