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5 Cards in this Set

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  • Back
Describe the Intima layer in a large vein.
well developed with subendothelial layer
Describe the Media layer in a large vein.
Thin with some smooth muscle, collagen fibers
Describe the Adventia layer in a large vein.
The thickest and best developed tunic and contains bundles of longitudinally arranged smooth muscle cells with collagen fibers between these bundles. Elastic and reticular fibers are present.
The heart is a modified______, that consists of three tunics. List the tunics.
modified blood vessel
3 tunics:
-the internal, or endocardium,
-the middle, or myocardium,
-the external or epicardium
What is the fibrous skeleton of the heart and its function?
central region

serves as a base for valves and insertion of cardiac muscle cells.