heart tissues superficial to deep A heart surgeon is about to perform a heart tr
ID: 3473593 • Letter: H
Question
heart tissues superficial to deep A heart surgeon is about to perform a heart transplant. She has already cut through the sternum and entered the thoracic cavity and mediastinum. The heart, however, remains enclosed in the pericardial sac. The tissues the surgeon must cut through, from superficial to deep, to enter the pericardial cavity are these: a. _____ b. _____ Will the surgeon need to cut through the visceral layer of serous pericardium to remove the heart from the pericardial sac? Why or why not?Explanation / Answer
38. The tissues that the surgeon has to cut through from superficial to deep to enter the pericardial cavity are mediastinum and diaphragm.
39.Yes,he needs to cut through both layers of pericardium to access the heart,a delicate procedure which is usually performed by specialists who has received extensive training in heart surgery.
The inner layer,visceral layer is more flexible and hugs heart closely. Tge outer layer is parietal perucardium which is tough and fibrous and makes a loose envelop.
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