Term
Differentiate between the fibrous and serous pericardium. |
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Definition
Fibrous Pericardium: base is on central tendon of diaphragm, phrenic nerve innervation, outermost pericardium. Involved in Protection. Serous- 2 layers parietal, visceral. Involved in lubrication |
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Term
Differentiate between the two parts of the serous pericardium |
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Definition
Parietal pericardium lines inside of fibrous sac. Visceral layer- lines heart surface, external heart layer that secretes fluid (sinous fluid). |
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Term
What are the conditions of pericarditis and pericardial effusion? |
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Definition
Pericarditis-inflammatory condition of pericardium, common causes are viral and bacterium. Pericardial Effusion- space between visceral and parietal layers of serous filled with fluid. |
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Term
Major structures on anterior surface of heart |
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Definition
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Term
Major structures of Inferior surface: |
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Definition
Mainly L ventricle, some R ventricle |
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Term
What major structures are on teh left pulmonary side of teh heart |
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Definition
L ventricle. Cardiac impression on L lung. |
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Term
What major structures lie on Right pulmonary surface. |
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Definition
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Term
What does thoracic Aorta supply? |
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Definition
supplies thoracic region of body |
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Term
What does the abdominal aorta supply? |
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Definition
supplies abdominal organs. |
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Term
What does the arch of aorta supply? |
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Definition
gives off branches and goes to Upper extremity and head. |
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Term
What is the relatonship between wall thickness and functino for each heart chamber? |
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Definition
L ventricle needs to be thick to get into aorta. R ventricle needs to be less thick into pulmonary trunk. Atrium walls are not as thick as the ventricles. |
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Term
What causes the heart valves to open and close? |
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Definition
Changing pressure of blood entering and leaving the chambers of teh heart. |
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