A.脊椎前神經(jīng)節(jié) B.馬尾 C.脊柱神經(jīng)節(jié) D.交感神經(jīng)鏈
A.Ⅳ B.Ⅴ C.Ⅹ D.Ⅺ
A.混合神經(jīng) B.運(yùn)動(dòng)神經(jīng) C.感覺(jué)神經(jīng) D.一個(gè)軸突