on the epithelium of flattened mucosa , in contrast with control sections , the intensity of the labeling on the basolateral membranes with both anti-class i and class ii dr antibodies decreased strongly from the bottom to the upper part of the crypts , and no bright patchy staining was observed on the apical part of enterocytes with anti-hla dr antibodies .
C0014609
epithelium
C0682610
enterocytes