【单选题】上皮细胞侧面不具有哪一种细胞连接 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
.中间连接 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
.桥粒 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
.质膜内褶 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
.紧密连接 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
E.
.缝隙连接 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>