The tunica mucosa is a single-layer of epitheliurn which is composed of two types of cells, columnar or cuboical cells and mucous cells, the latter locates only in caecum, intestine and rectum.
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释义
粘膜层为单层上皮,由柱状或立方细胞组成,在胃盲囊、肠和直肠还含有粘液细胞。
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