Term
| What phrase describes the heart? |
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Definition
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Term
| What is the orientation and shape of the heart? |
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Definition
| upside down backwards-leaning cone |
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Term
| Where can you find the apex of the heart? |
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Definition
| between the 5th and 6th ribs |
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Term
| What are the three layers of the heart wall? |
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Definition
| Epicardium (visceral layer), myocardium (thickest layer), endocardium (lines chambers and covers valves) |
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Term
| What are the 3 layers of the sac surrounding the heart? |
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Definition
| Fibrous pericardium, parietal pericardium, and visceral pericardium (epicardium) |
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Term
Identify:
layer that adheres to the diaphragm and the roots of the large vessels |
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Definition
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Term
Identify:
Adheres to the inner surface of the fibrous percardium |
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Definition
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Term
| What are the two types of heart chambers? |
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Definition
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Term
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Definition
| receiving chambers; superior, smaller, separated by interatrial septum |
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Term
| Describe the ventricles (4) |
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Definition
| pumping chambers; inferior, larger/thicker walls, separated by interventricular septum (myocardium) |
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Term
| What are the 3 external grooves of the heart? |
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Definition
| Coronary sulcus, anterior interventricular sulcus, and posterior interventricular sulcus |
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Term
| What structure divides the atria from the ventricles and wraps around the whole heart? |
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Definition
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Term
| How many pulmonary veins are there? |
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Definition
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Term
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Definition
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Term
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Definition
| a large vessel that branches |
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Term
| What structure pumps blood into the pulmonary circuit via the pulmonary trunk? |
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Definition
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Term
| What are the "heart string"? |
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Definition
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Term
| What structure pumps blood out to the systemic circuit via the aorta? |
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Definition
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Term
| What is another name for the bicuspid valve? |
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Definition
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Term
| What structure is responsible for heart contraction? |
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Definition
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Term
| What is a myocardial infarction? |
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Definition
| Heart attack; blockage of coronary arteries |
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