To Compare the difference between the data of normal lumbar plexus nerve measured through Magnetic Resonance Neurography (MRN)with specimen.

比较正常腰丛神经的磁共振神经成像(MRN)测量数据和大体标本的差异。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。