分泌细胞内含司分泌毒液的囊状细胞器及大量的内质网、线粒体、高尔基体、溶酶体和液泡，分泌活动十分旺盛。

Secretory cells contain a lot of organelles: RERs, mitochondrions, Golgi bodies, lysosomes and vacuoles, in which vesicular organelle secretes the venom.

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最常见的的原发恶性肿瘤是鳞状细胞癌，其次是起源于唾液腺的腺样囊腺癌。

The most common primary malignant tumor is squamous cell carcinoma, with the second most common being adenoid cystic carcinoma arising from the salivary glands.

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在各发育期中华鳖胸腺皮质、髓质交界处和髓质区有明显的囊状胸腺小体和交错突细胞。

During development period, there were cystoid thymic corpuscles and interdigitating cells in thymic medulla and cortico-medullary border.

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