The thyroid gland of grey mullet is a specific secretory gland and composed of follicles, i.e. monolayer spheres of thyroid epithelial cells without cillium.

  • 鲻鱼甲状腺由滤泡上皮细胞所组成,并构成一个封闭的滤泡腔,贮存上皮细胞所分泌的甲状腺激素。

  • 互联网 2025-03-26 08:49:28

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