in contrast to the standard etec strains , the eec-i bacteria , adhering to the brush border , intruded into the microvilli , multiplied on the outer epithelial cell membrane making close contact with it and , causing , shedding of microvilli , penetrated into enterocytes becoming enclosed in membrane-bound phagosome-like vacuoles , appeared in the lamina propria and elicited mild focal polymorphonuclear infiltration .
C1318418
brush
C0026049
microvilli