如图所示，关于肝小叶的说法，下列错误的是 ( ) [http://cdn.laixue.com/exam/10108168/TestImages/BD-03541.jpg] [http://cdn.laixue.com/exam/10108168/TestImages/BD-03542.jpg] [http://cdn.laixue.com/exam/10108168/TestImages/BD-03543.jpg] [http://cdn.laixue.com/exam/10108168/TestImages/BD-03544.jpg]-008-传染病学