urochord
/'juәrәkɔ:d/
📖 中文释义
- 尾索(尾索类动物的脊索只存在于尾部的一段)
📘 English Definition（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