• The hepatopancreas of the two crabs were built with simple columnar epithelia. Secreting, absorbing and embryonic cells could be distinguished.

    两种胰腺由肝小管的单层柱状上皮构成,在光镜下可以区分分泌细胞吸收细胞、胚性细胞。

    youdao

  • The hepatopancreas of the two crabs were built with simple columnar epithelia. Secreting, absorbing and embryonic cells could be distinguished.

    两种胰腺由肝小管的单层柱状上皮构成,在光镜下可以区分分泌细胞吸收细胞、胚性细胞。

    youdao

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