How do tcm think of ns o Brain &spinal cord Nao sui &ji sui 0“ suI means essence ∩ Conginital essence ∩ acquired essence erve 神经( shen jing o经络( jing luo)- merdians and colleteralHow do TCM think of N.S. Brain &Spinal cord Nao sui &Ji sui “sui” means essence Conginital essence Acquired essence Nerve 神经（shen jing) 经络（jing luo)-------------merdians and colleterals