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【单选题】
关于肺泡的描述,下列哪项是错误的?A.
开口于终末细支气管，肺泡管和肺泡囊
B.
肺泡上Ⅰ型和Ⅱ型肺泡细胞组成
C.
相邻肺泡之间的结缔组织称肺泡隔
D.
肺泡隔中富含由毛细血管和弹性纤维
E.
相邻肺泡之间气体流通的小称肺泡
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