Drawings of compound tubulo-alveolar glands -- showing the branching of their duct system -- and a few secretory end-pieces (alveoli). Ducts and alveoli are lined with epithelium.
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释义
复管泡状腺模式图--图示分支管道系统--和几个分泌部(腺泡)。导管和腺泡均衬以上皮。
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