A) These vessels distribute blood to the skeletal muscles and internal organs of the body.
B) They have a poorly defined adventitia.
C) The media of these arteries contains a high density of elastic fibers and relatively few smooth muscle cells.
D) The media consists of scattered smooth muscle fibers that do not form a complete layer.
E) They have an average diameter of 50 µm.

A) lipid-insoluble materials
B) gases
C) glucose
D) large carbohydrates
E) nucleic acids

A) vasa vasorum
B) companion vessels
C) distributing arteries
D) fenestrated arteries
E) thoroughfare channels