The Tunica Interna of [Dropdown 1] Is Thin with a Fenestrated

Short Answer

The tunica interna of [dropdown 1] is thin with a fenestrated internal elastic lamina that disappears distally,while the tunica interna of [dropdown 2] is made of endothelium and a basement membrane with no internal elastic lamina.
Dropdown 1 choices:
arterioles
elastic arteries
muscular arteries
muscular venules
veins
Dropdown 2 choices:
arterioles
elastic arteries
muscular arteries
muscular venules
veins