Nests of transitional epithelium grow downward into the lamina propria and a central cystic space forms.
移行上皮向下伸入到固有层并形成囊.
Stratified cuboidal epithelium in the fold of oesophagus mucosa and transitional epithelium in the bottom of the fold were observed.
结果显示,日本七鳃鳗食道褶皱处黏膜上皮为复层立方上皮,褶皱基部为变移上皮。
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