Cardiovascular Flashcards
Innermost layer, lining the atria and the ventricles is what cardiac tunic?
Endocardium
Consists of cardiac muscle cells is what cardiac tunic?
Myocardium
External surface is covered by a simple squamous epithelium is what cardiac tunic?
Epicardium
The cardiac skeleton has what kind of CT tissue?
Dense collagenous CT
What kind of fibers originate and insert into the cardiac skeleton?
Myocardial fibers
What vascular tunic has internal elastic membrane, subendothelial CT, and endothelium and its basal lamina?
Tunica intima
What vascular tunic is made up of circular smooth muscle tissue and fibroblasts and contains collagen and elastic fibers?
Tunica media
Which vascular tunic has vasa vasorum and nervi vasorum and is the outermost layer?
Tunica adventitia
What are 3 types of elastic arteries
Aorta, pulmonary trunk, and large branches of the aorta
Muscular arteries include:
All named arteries of body except elastic arteries
T/F: thickness of smooth muscle layer decreases as diameter becomes smaller in muscular arteries?
True
T/F: arterioles thickness of smooth muscle layer increases as diameter becomes smaller
False; decreases as diameter becomes smaller
Muscle, brain, thymus, bone, lung, are types of examples where this type of capillary is found
Continuous capillary
Intestinal villi, choroid plexus, ciliary processes of the eyes are examples where this type of capillary is found
Fenestrated capillary
Liver and spleen are examples of where this type of capillary is found
Discontinuous capillary (sinusoid)