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19 Cards in this Set
- Front
- Back
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Peripheral veins return deoxygenated blood back where? |
To the right atrium |
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What are the three systems of the venous system? |
The deep system, the superficial system, and the perforators |
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What does the deep system do? |
The deep system drains the muscular compartments and the superficial system via the perforator veins |
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What's the superficial system do? |
The superficial system drains the skin and subcutaneous tissues into the deep system |
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What do perforator veins do? |
They perforate the fascia and connect the deep and superficial system |
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Describe Venae comitantes |
A pair of veins that is accompanied with an artery |
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Gastrocnemius veins |
Paired set of veins within accompanying artery traveling within the gastrocnemius muscle of the calf |
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Soleal vein |
Single veins within the soleus muscle that drained the calves. Not always seen when empty |
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May-Thurner syndrome /Iliac compression syndrome** |
Extrinsic compression of the left common iliac vein by the right CIA and the spine Increasing incidence of DVT and venous insufficiency of the left leg |
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Location of perforators of the femoral canal formerly Dodd?** |
Perforators located in the distal thigh |
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Location of peritibial perforators formerly Boyd, Sherman** |
The upper calf |
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Location of posterior tibial perforators formerly Cockett** |
The mid to lower calf |
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Medial ankle perforators** |
Located at the medial ankle |
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The superior vena cava is formed by the confluence of the? |
By the confluence of the left and right and innominate veins. Terminating at the right atrium. |
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The portal vein this formed by the confluence of the?** |
Confluence of the splenic and superior mesenteric veins |
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How much blood flow is carried into the liver by the portal vein? |
Approximately 80% |
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Compared to arteries, what layer of the vein is very thin? |
The turnica media. The central layer of veins is smaller than an arteries |
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What is the thickest layer of veins? |
The turnica adventitia/externa, it is the thickest layer with collagen as its major component. |
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What veins in the body do not have valves?*"" |
The superior vena cava, inferior vena cava, innominate vein, soleal veins/sinuses/ intracranial sinuses |
