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      單項(xiàng)選擇題

      胃腸內(nèi)分泌細(xì)胞()

      A.彌散分布在胃、腸上皮和腺體中
      B.分泌的激素統(tǒng)稱為胃腸激素
      C.分泌顆粒在細(xì)胞的基底部
      D.HE染色切片上不易辨認(rèn)
      E.以上均是
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