单层柱状上皮由一层棱柱形细胞组成。细胞核呈椭圆形，位于细胞基底部。单层柱状上皮分布于胃、肠、子宫和输卵管的内腔面，其功能主要是吸收和分泌。
直肠单层柱状上皮与假复层纤毛柱状上皮共存。
The rectum mucosa epithelium is composed of single-layer columnar epithelium and pseudostratified ciliated columnar epithelium.
单层柱状上皮由高桂状上皮细胞组成，细胞的高度显著大于细胞的宽度。
Simple columnar epithelium consists of tall, narrow cells having considerably greater height than width.
两种蟹肝胰腺均由肝小管的单层柱状上皮构成，在光镜下可以区分出分泌细胞、吸收细胞、胚性细胞。
The hepatopancreas of the two crabs were built with simple columnar epithelia. Secreting, absorbing and embryonic cells could be distinguished.
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