Term
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Definition
| anatomical region extending from the sternum to the vertebral column, the first rib and between the lungs |
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Term
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Definition
Membrane surrounding and protecting the heart
Confines while still allowing free movement |
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Term
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Definition
| tough, inelastic, dense irregular connective tissue – prevents overstretching, protection, anchorage |
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Term
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Definition
| thinner, more delicate membrane – double layer (parietal layer fused to fibrous pericardium, visceral layer also called epicardium |
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Term
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Definition
| reduces friction – secreted into pericardial cavity |
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Term
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Definition
Epicardium (external layer)
Myocardium
Endocardium (inner layer) |
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Term
| Epicardium (external layer) |
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Definition
Visceral layer of serous pericardium
Smooth, slippery texture to outermost surface |
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Term
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Definition
| 95% of heart is cardiac muscle |
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Term
| Endocardium (inner layer) |
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Definition
| Smooth lining for chambers of heart, valves and continuous with lining of large blood vessels |
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Term
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Definition
2 atria
2 ventricles
Sulci |
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Term
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Definition
receiving chambers
*Auricles increase capacity |
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Term
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Definition
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Term
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Definition
grooves
*Contain coronary blood vessels
*Coronary sulcus
*Anterior interventricular sulcus
*Posterior interventricular sulcus |
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