Cardiovascular system

What are the layers of the heart wall?

The inner layer of the heart wall lining the ventricles and atria completely, and also covers the cardiac valves

The middle layer of the heart wall and the thickest layer; primarily composed of cardiac muscle fibers

The outermost layer of the heart wall; visceral layer of pericardium

Endothelium: continuous simple squamous epithelium
subendothelium: dense irregular CT
subendocardium: loose CT that contains small vessels, nerves, and purkinje fibers

this node entrains the pace of the heart

this node relays the pace

purkinje fibers end in ___

T/F Purkinje fibers have no contractile function

___ is the principal tissue of the heart

the cardiac skeleton is made of what 3 parts?

What is the purpose of cardiac valves?

cardiac valves are covered by ___ on both sides

What are the 3 main blood vessels?

What are the 3 layers of a typical blood vessel?

Tunica thickening by the cholesterol deposit induced pathological alteration during ___

the vasa vasorum and nervi vasorum are found in which layer of blood vessels?

The most prominent and thickest layer of arteries is the ___ ___

T/F in elastic arteries the IEL is prominent and easy to see

which type of artery has a tunica media that is rich in smooth muscles: elastic or muscular?

T/F the tunica adventitia is relatively the same size as the tunica media of muscular arteries

these small arteries contain roughly 1-3 layers of smooth muscle in their wall; feed into capillary beds

compared to the lumen of arteries, a vein's lumen is ___ and more ___

in veins, it is typical for the tunica ___ to be the most prominent layer

capillaries have a tunica ___ only

What are the 3 types of capillaries

Where are continuous capillaries typically found?

Fenestrated capillaries are typically found where?