目的探讨彩超引导下脐静脉穿刺术的安全性和成功率。
Objective To evaluate the efficacy and safety of color-ultrasound guided percutaneous umbilical blood sampling.
方法采用流式细胞仪技术对不同培养时间和不同培养条件下脐血cd 34 +细胞中pcna的表达水平和细胞周期进行了测定。
Methods Using flow cytometry, PCNA and cell cycle in CB CD34 + cells were measured in different conditions and different culture time.
方法在相同细胞因子组合下，用体外液体培养比较脐血有核细胞程序扩增组与一次扩增组及有无基质层条件下的优劣。
Methods under the same condition with hematopoietic factors in the liquid culture, compared the sequential expansion group and once for all expansion group with or without stroma cell layer.
大肠济华花的脐出去一下是不寻常的。
Large intestines popping out of the umbilicus in Chihuahuas are uncommon.
免疫磁珠分选脐血cd 34 +细胞，接种于各培养体系，无外源性细胞因子条件下进行培养。
CD34 + cells were isolated from fresh umbilical cord blood samples with immunomagnetic beads and seeded into the models to culture ex vivo without exogenous cytokines.
目的：探讨人脐血cd 34 +细胞在体外培养条件下向嗜酸粒细胞分化的规律。
AIM: to investigate differentiation of CD34 + cells in human umbilical blood into eosinophils under the condition of cell culture in vitro.
健康人的胃相对固定在上腹腔，当人站立时，胃的最低点不能超过脐下二横指(指胃小弯)。
Healthy maw is relatively fixed going up celiac, when the person stands, gastric nadir cannot exceed below hilum 2 horizontal strokes to point to (point to) of gastric small turn.
无菌条件下取正常足月剖宫产胎儿的脐带血，经肝素抗凝，用淋巴细胞分离液分离脐血单个核细胞。
The specimens were obtained sterilely with preservative-free heparin, and the cord blood mononuclear cell was isolated by lymphocyte separation medium.
无菌条件下取正常足月剖宫产胎儿的脐带血，经肝素抗凝，用淋巴细胞分离液分离脐血单个核细胞。
The specimens were obtained sterilely with preservative-free heparin, and the cord blood mononuclear cell was isolated by lymphocyte separation medium.
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