【多选题】【消耗次数：1】
分泌组织的类型有（ ）。
①
分泌细胞
②
腺毛
③
分泌腔
④
分泌道
⑤
乳汁管
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细胞内分泌小管形成于（）
①
壁细胞游离面的细胞膜向胞质内凹陷而成
②
主细胞游离面的细胞膜向胞质内凹陷而成
③
壁细胞内的滑面内质网形成
④
壁细胞基底面的细胞膜向胞质内凹陷而成
⑤
主细胞基底面的细胞膜向胞质内凹陷而成
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