【医】 midspinal line
rachis; spine
【医】 back bone; backbone; columnae vertebralis; dorsal column; dorsal spine
rachi; rachio-; rachis; rhachi-; rhachis; spina; spina dorsalis; spinae
spinal column; spine; spondyl-; spondylo-; vertebrarium
central line; centre line; midline
【化】 neutral line
【医】 Hensen's disk; lineae mediana; median line; mesophragma