Do v?y, quy?t ??nh ch?n màng b?m ???c làm b?ng ch?t li?u gì c?ng r?t quan tr?ng.The phrenic nerve originates from your cervical spinal roots C3, C4, and C5, and it truly is important for initiating the respiration system. This nerve serves each motor functions for diaphragm contraction and sensory capabilities for the pericardium and mediastinal