Appraisals and Seller Concessions ... FHA Takes Note. In the summer edition of the Federal Housing Administration (FHA) Appraiser Newsletter, the FHA re-emphasizes the importance of appraisers correctly documenting any seller concessions on a property sale.
The outer layer (tunica adventitia) consists chiefly of connective tissue and is the thickest layer of the vein. As in arteries, there are tiny vessels called vasa vasorum that supply blood to the walls of the veins and other minute vessels that carry blood away.
Relevance. Rating Newest Oldest. Best Answer: There are three main layers in arteries and veins-A muscular middle which is very elastic and strong, an outer layer of tissue, and an inner layer of smooth epithelial cells.eins: The thick, outer-most layer of a vein is made of collagen, wrapped in bands of smooth muscle while the interior is lined with epithelial cells called intima. Most veins have one-way flaps called venous valves that prevent blood from flowing back and pooling in the lower extremities due to the effects of gravity.