SMC - Smooth muscle cells
TA - Tunica adventitia
L - Lumen
Total magnification - 100x
Histo-Tips: Look at various slides of the same tissues, some slides can give you a different perspective and reveal specific structures you may not have seen in other slides.
Comments
Good - you also could have
Good - you also could have labeled the endothelial layer (simple squamous) and the smooth muscle layers make up the tunica media. But you labels are correct - you don't have to make changes.