urochord

英[\'j??r?k?:d]
美[\'j?r??k?d]

基本釋義

n.
尾索(尾索類動(dòng)物的脊索只存在于尾部的一段)

英英釋義

Noun
  • 1. primitive marine animal having a saclike unsegmented body and a urochord (a notochord) conspicuous in the larva

  • 2. a notochord of a larval tunicate typically confined to the caudal region

最新英語單詞

行業(yè)英語