一种是在柱状上皮细胞组成的外分泌腺有大量淋巴细胞浸润，往往形成淋巴滤泡样结构。

One is composed of columnar epithelial cells Waibanbixian a large number of lymphocytic infiltration, often the lymphoid follicles-like structure.

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外分泌腺可以仅由制造粘液的单细胞组成。

Exocrine Glands may consist of only single cells that make mucus.

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唾液是由外分泌腺分泌出来的。

Saliva is secreted from the exocrine gland.

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