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.
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.
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