yolk-sac

基本解释

• 卵黄囊

同根派生

• yolk-sac相关词

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。

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词组短语

短语

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

• yolk-sac更多词组

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

• yolk-sac剑桥字典
• yolk-sac柯林斯字典

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。