The mother usually takes care of this by tearing off ( and sometimes eating ) the membrane , and then severs the umbilical cord 母犬也通常会将胎衣撕开（有时是吃掉） ，然后咬断脐带。
Initial examinations at the scene confirmed that the baby , linked with an umbilical cord , was a girl and had died already 现场初步检验证实婴孩是一名女婴，连有脐带，并已经死去。
He had infection after his umbilical cord was cut in the traditional burmese way that is with a bamboo sliver 你最大的哥哥出生时，因为用缅甸传统方式接生，以竹片将脐带割断而造成感染过世。
In 340 b . c . , aristotle observed that dolphins gave birth to live young that were attached ot their mothers by umbilical cords 公元前340年，亚里士多德观察海豚生产时发现，母子海豚由脐带连接。
It suggested that human umbilical cord blood mscs were capable of expanding rapidly and differentiating into neurocyte in vitro 这表明脐带血msc在体外同样能够迅速扩增，并具有向神经细胞分化的潜能。
Placental / umbilical cord blood is a rich source of precursor cells capable of differentiating into mature blood cells 造血干细胞能分化为不同类型的成熟血细胞，可以给血液肿瘤病人如白血病患者生成新的骨髓。
Newer strategies such as double umbilical cord blood transplant and utilization of nonmyeloblatie conditioning regimens show promising results 更新的治疗策略（如双份脐血移植、非清髓移植）取得了可喜成果。
Players are freezing the cells taken from the umbilical cord blood of their babies as a possible future cure for cartilage and ligament problems 球员将孩子脐带血中的干细胞冷冻，以便今后可以用于治愈软骨和韧带疾病。
This study examined the isolation , purification , expansion and differentiation of human umbilical cord blood mscs to neurocytes in vitro 本研究探讨了人脐带血msc的体外分离、纯化、扩增和向神经细胞的定向诱导分化条件。
Weighing about 2 . 24 kilograms and measuring 47 centimetres in length , the baby is about five to seven days old and still has an umbilical cord attached 男婴重约二点二四公斤，长约四十七厘米，约五至七日大，脐带仍未脱落。
