Chondrocyte could be observed adherence growth in Fibrin Glue Bracket vacuolus after hematoxylin-eosine dyeing, and some chondrocytes could be found in cluster.
The necrotic epithelium becomes embedded in exuding fibrin and red and white cells,so that a grayish pseudomembrane is formed-commonly over the tonsils,pharynx or larynx.