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

 
  • 在稚鮑;食道側囊上皮分化成微絨毛細胞、分泌細胞和纖毛細胞.;嗉囊直至稚鮑期才形成;
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