observations revealed the presence and distribution of extravasates of erythrocytes at and around the ulcers , extravascular neutrophilic granulocytes undermining the oral epithelium of the ulcer margin , the presence of numerous macrophages loaded with phagolysosomes containing debris of neutrophilic granulocytes , particular pathomorphologic features of a behcet lesion and a herpetiform lesion , and the occurrence in diseased and normal oral mucosa of particular stratum spinosum cells binding nonselectively all immune components tested in this study , probably by leakage and passive diffusion of serum proteins .
C0031309
phagolysosomes
C0007634
normal