Arteries And Arterioles Flashcards
Artery walls made up of several layers called _
Tunicae
Also in tunica media is a layer of connective tissue known as _
Elastin
Tunica advertita (outer layer) consists of _
Tough fibrous connective tissue
Largest arteries leading directly from heart are known as _ or _ arteries
Elastic
Conducting
Known as elastic or conducting arteries because contain high proportions of _
Elastic tissue
This allows them to expand and _
Contract
Arteries with diameter of _ called arterioles
0.3 mm
0.01 mm
Largest arteriole posses _
All three tunicae
Largest arteriole contains all three tunicae but tunica media contains only _
Scattered elastic fibers
Smallest arterioles have no _
Outer coat
Smallest arterioles have no outer coat and consist only of an endothelial lining surrounded by a single layer of _
Spiraling muscle cells
Flow of blood from arterioles into capillaries controlled by _
Sympathetic nerves
Sympathetic nerves cause muscles to _ in arteriole
Contract
