【医】 acephalorachia
【医】 acephalia; acephalism; acephaly
naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-
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