1·Umbilical vein, ductus venosus and venous ligament and ligamentum teres hepatis were anatomized, observed and measured.
解剖观测脐静脉、静脉导管及肝圆韧带、静脉韧带等。
2·Objective To study the correlation between perinatal fetal prognosis and flow ratio of ductus venosus to umbilical vein (DV/UV).
目的本实验主要研究胎儿静脉导管（DV）血流量与脐静脉（UV）血流量比与围产儿预后的关系。
3·Results: the existence of the phenomenon of the deficiency in both blood and oxygen of the fetus when the irregular image of the fetus umbilical artery blood flow spectrum curve emerged.
结果：胎儿脐动脉血流频谱曲线出现不规则图像时，有可能提示胎儿已有供血供氧不足的现象存在。
4·Methods: 14 cases related to the fetus that had irregular umbilical artery blood flow spectrum curve appeared were analyzed.
方法：分析14例出现不规则脐动脉血流频谱曲线胎儿的相关情况。
5·She is about to go into hospital for eight days to have a minor operation for umbilical hernia.
为了做脐疝的小手术，她住了八天的医院。
1·Your baby may have discovered his first toy by now — the umbilical cord.
婴儿可能已经发现了他的第一个玩具——脐带。
2·In 166 cases the newborns had their umbilical cords clamped within ten seconds of delivery.
166位新生儿在出生后的十秒钟就被剪断了脐带。
3·They need help. An invisible umbilical cord should connect them to a mature conscience.
一条无形的脐带应该将他们导向一个更成熟的心智，引导他们更健康的成长。
4·Stem cells can be found inside human embryos, umbilical cords and bone marrow, among other sources.
干细胞从人类胚胎，脐带和骨髓等组织中提取。
5·Researchers made this connection after discovering a 380-million-year-old female specimen that still retained a single embryo connected by an umbilical cord.
研究人员在发现了一个3.8 亿年前的标本还保有一个连着脐带的胚胎，由此得出了这一结论。