In 45 d old juvenile, the epithelium of the lateral pouches differentiates into cells with microvilli, secretory cells and ciliated cells.

 
  • 在稚鲍;食道侧囊上皮分化成微绒毛细胞、分泌细胞和纤毛细胞.;嗉囊直至稚鲍期才形成;
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