4 . it has strong antimicrobial effect in low ph environment in vitro , and an excellent moisture retention effect . 5 ( 4 )在体外微酸环境中具有较强的抑菌抗菌作用，并有显著的保湿、吸湿能力。
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。
Photomicrograph representing of varying pore size of 200 - 250 u m , revealing a highly porous structure with largely open and interconnected pore 05 ） 。高空隙率支架在体外降解过程中表现出较好的稳定性。
These results indicate that when the development of retina has been completed , it will lose the capability of regeneration in vitro 本结果显示出当视网膜发育成熟时，就丧失了在体外培养之神经轴突再生的功能。
Studies on jsrv had been hampered by the lack of an infectious molecular jsrv clone and the lack of an in vitro infection system 据报道，此病毒不易在体外培养，本试验对建立本病毒的体外培养体系进行了探索。
Inhibitory effect of antisense oligonucleotides of angiotensin receptor 1 on expression of atrial natriuretic factor induced by angiotensin in cardiomyocytes 羟色胺在体外狗冠状动脉上量效收缩的压低作用及超敏现象的启示
Results : under the culture condition in vitro , newborn rat neurons showed similar properties to their counterparts in vivo and typical nerver fiber net was formed 结果：在体外培养条件下神经元结构特征明显，并能形成典型的神经元网络。
The study of human embryos cultured in vitro indicated that the survival rate and viability of embryos cultured in vitro is much lower than those in vivo 对在体外培养的人胚胎的观察发现，大约有50的人胚在发育至胚泡期之前停止发育。
" there is a strong possibility of the heart getting infected , so a quick operation is needed . " doctors said her parents were too poor to afford surgery 心脏如果老是待在体外的话，发生感染的可能性极大，所以手术已到了刻不容缓的地步。 ”
Now , the researches are on src activity in vivo . thus these are not convenience for studies on the structure and chemical and physical characteristics of src 在体外， c - src没有活性或是相当低，无法检测，而v - src在体外的活性几乎没有变化。
