関連ワード:
layer of the heart largely composed of cardiac muscle tissue layer of the heart largely consisting of cardiac muscle tissue layer of the wall of the heart largely composed of cardiac muscle tissue which layer of the heart wall is composed mainly of cardiac muscle tissue which layer of the heart wall contracts is composed primarily of cardiac muscle tissue which layer of the heart is largely made of the cardiac muscle cells what tissue is the heart composed of which layer of the heart wall consists of cardiac muscle tissue
