Term
| What are the 3 layers of blood vessels? |
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Definition
| Tunica intima, tunica media and tunica adventitia |
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Term
| What is the "squiggly" layer of the tunica intima? |
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Definition
| the internal elastic lamina |
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Term
| What is the inner most part of the tunica intima composed of? |
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Definition
| simple squamous endothelium |
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Term
| What is the tunica media MAINLY composed of? |
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Definition
| smooth muscle. Media = Muscle! (In addition to collage and elastin). |
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Term
| What is the tunica adventitia mainly composed of? |
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Definition
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Term
| What are the 3 types of arteries from largest to smallest? |
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Definition
| Elastic arteries, muscular arteries, and arterioles |
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Term
| True or False? Almost every cell in the body has a capillary nearby? |
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Definition
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Term
| What are the 3 types of capillaries? |
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Definition
| Continuous, Fenestrated, Discontinuous. |
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Term
| Venules lack which of these layers? the tunica intima, tunica media or the tunica adventitia? |
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Definition
| Venules lack the tunica media. |
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Term
| Why are veins more irregular in shape than arteries? |
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Definition
| because they lack the amount of muscle to maintain their shape. |
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Term
| What is endocardium made of (type of cells)? |
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Definition
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Term
| Which are NOT in heart muscle? Purkinje fibers or Purkinje cells? |
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Definition
| Purkinje cells- they are in brain tissue (see Dr. Newman's section). |
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Term
| What color description is use to describe the cytoplasm of Purkinje fibers? |
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Definition
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Term
| In extreme starvation, where is the last place you loose fat from? |
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Definition
| The coronary groove of the heart. |
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Term
| Give 2 examples of veins that do NOT have valves? |
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Definition
| The portal vein and the caudal vena cava. |
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Term
| What is one key feature of a blood vessels to distinguish it from a lymphatic vessel? |
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Definition
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Term
| Lymphatic vessels have what type of capillaries? |
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Definition
| discontinuous capillaries: that have discontinuous or absent basement membranes and discontinuous endothelial cells. |
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