urochord
'juәrәkɔ:d
基本解释
尾索(尾索类动物的脊索只存在于尾部的一段)
英文释义
n primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
n a notochord of a larval tunicate typically confined to the caudal region
上一个单词：urochloralic acid
下一个单词：Urochorda