囊胚腔 blastocoel，多细胞动物囊胚的空腔。囊胚腔可因腔液的逐渐增加而扩大。在羊膜类常以细胞组成的腔壁还是多核质的腔壁这一点，与胚下腔有区别。在多数情况，囊胚腔是伴随原肠和原肠腔的形成而缩小或消失。
囊胚腔
网络释义专业释义
双语例句原声例句
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目的观察胚胎干细胞(ES细胞)囊胚腔注射的方法构建嵌合体小鼠自发性肿瘤。
Objective to study the spontaneous tumors derived in chimeric mice resulting from injection of embryonic stem (es) cells into host blastocysts.
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解冻后，33枚胚胎中有26枚(大多数胚胎含有2到10个细胞)发育到囊胚阶段，此时囊胚腔已经形成。
After thawing, 26 of the 33 embryos (most of which were composed of between two and ten cells) developed to blastocyst stage in which the blastocoele is formed.
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The cells of this cluster inside next to the fluid filled cavity is a region of the blastocyst called the inner cell mass.
而这簇细胞的内侧,毗邻于充满液体的空腔的一侧,这些细胞在囊胚中称为内群细胞
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