yolk sac是什么意思，yolk sac的意思翻译、用法、同义词、例句
常用词典
（等于yolk bag）卵黄囊
例句
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
The yolk sac is shrinking.
该卵黄囊缩小。
Testicular yolk sac tumor.
比较典型的卵黄囊瘤。
The yolk sac is gradually vascularized.
卵黄囊逐渐被血管化了。
Yolk sac tumor rarely involves the pericardium.
卵黄囊瘤很少涉及心包。
网络扩展资料
单词"yolk"的解释：
- 用法：名词
- 解释：蛋黄
- 例句：
- 英文：The yolk of the egg is high in cholesterol.
- 中文：鸡蛋的蛋黄含有高胆固醇。
- 英文：She separated the egg white from the yolk.
- 中文：她将蛋清和蛋黄分开了。
- 英文：The yolk of the egg is high in cholesterol.
- 近义词：egg yolk
- 反义词：egg white
单词"sac"的解释：
- 用法：名词
- 解释：袋，囊
- 例句：
- 英文：The gallbladder is a small sac located beneath the liver.
- 中文：胆囊是位于肝脏下方的小囊袋。
- 英文：The insect larva was enclosed in a protective sac.
- 中文：昆虫的幼虫被包裹在一个保护袋内。
- 英文：The gallbladder is a small sac located beneath the liver.
- 近义词：pouch, pocket
- 反义词：none
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