![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
All of following descriptions are true of the wall of large artery EXCEPT( )
A.
The tunica adventitia is thick and the outer elastic membrane is obvious.
B.
Subendothelial layer contains smooth muscle cells
C.
Tunica media contains a large number of elastic membranes and a small amount of smooth muscle
D.
Boundary between tunica intima and tunica media
E.
There are vasa vasorum in tunica adventitia