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The outermost layer of the wall of the heart is also the innermost layer of the visceral pericardium.
心壁的最外层也是心外膜的最内层。
youdao
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The outermost layer of the wall of the heart is also the innermost layer of the visceral pericardium.
心壁的最外层也是心外膜的最内层。
youdao