XM-640交感神經(jīng)系統(tǒng)模型顯示自主神經(jīng)系統(tǒng)結構全貌，自主神經(jīng)系統(tǒng)由交感神經(jīng)和副交感神經(jīng)組成，模型中交感神經(jīng)呈黃色，副交感神經(jīng)呈白色。尺寸：67×20.5×7.5cm材質(zhì)：進口PVC材料
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