单词盒子

yolk-sac

Y 开头单词

基本解释

  • 卵黄囊

同根派生

     

英汉例句

    双语例句

  • There is a big oil ball on the surface of yolk-sac of perch.
    胚胎卵黄囊表面有一个大圆形油球。
  • Results: AFP was significantly increased in 85% patients with hepatoblastoma and 93% patients with yolk-sac tumors.
    结果：肝母细胞瘤和卵黄囊瘤术前血清AFP阳性率分别为85％，93％。
  • Aim : To investigate the diagnosis and predication value of serum AFP in infants with hepatoblastoma and yolk-sac tumors.
    目的：探讨监测血清AFP对小儿肝母细胞瘤和卵黄囊瘤诊断和预后的意义。

词组短语

    短语

  • yolk -sac larvae 卵黄囊仔鱼
  • visceral yolk -sac 脏层卵黄囊

英英字典

    柯林斯英英字典

  • the membranous sac that is attached to the ventral surface of the embryos of birds, reptiles, and some fishes and contains yolk

专业释义

    农业科学

  • 卵黄囊

    The development of embryo and yolk-sac stage of Ictalurus punctatus were studied in the paper by using methods of observing and describing.
    试验对斑点叉尾的胚胎及卵黄囊期仔鱼形态发育的过程进行观察、描述,研究了其发育特征。