配伍题

B型题 骶髓()|腰髓节段()|下胸髓节段()|中胸髓节段()|下颈髓节段()

A.相应的脊椎节段减1
B.相应的脊椎节段减2
C.相应的脊椎节段减3
D.相当于胸椎10~12
E.相当于胸椎12~腰椎1