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- Methods: Add sodium chloride injection to the germ layer medium. 方法:菌层培养基加氯化钠注射液。
- The innermost of the three primary germ layers of an animal embryo,developing into the gastrointestinal tract,the lungs,and associated structures. 内胚层动物胚胎三个原始胚层的最内层发育成胃肠道、肺及其附属衍生结构
- The innermost of the three primary germ layers of an animal embryo, developing into the gastrointestinal tract, the lungs, and associated structures. 内胚层动物胚胎三个原始胚层的最内层发育成胃肠道、肺及其附属衍生结构
- The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop. 中胚层中间胚芽层,位于外胚层和内胚层之间,最终发育成结缔组织、肌肉、骨骼、泌尿系统及循环系统
- The middle embryonic germ layer,lying between the ectoderm and the endoderm,from which connective tissue,muscle,bone,and the urogenital and circulatory systems develop. 中胚层中间胚芽层,位于外胚层和内胚层之间,最终发育成结缔组织、肌肉、骨骼、泌尿系统及循环系统。
- The layer of cells formed by the cleavage of a fertilized mammalian egg.It later divides into the three germ layers from which the embryo develops. 胚盘由哺乳动物受精卵分裂而形成的细胞层。后期分裂为三层,胚胎由此发育
- In animal studies, parthenotes have yielded ES cells able to differentiate into multiple tissue types in culture and to pass the teratoma test, forming cells from all three embryonic germ layers. 在动物实验中,孤雌生殖胚球产生的胚胎干细胞,在培养时也能够分化成多种细胞类型,并通过畸胎瘤测试,形成来自三个胚层的细胞。
- The layer of cells formed by the cleavage of a fertilized mammalian egg. It later divides into the three germ layers from which the embryo develops. 胚盘,由哺乳动物受精卵分裂而形成的细胞层。后期分裂为三层,胚胎由此发育。
- Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of lower invertebrates, such as sponges and coelenterates. 双胚层的具有两个胚层(外胚层和内胚层)的。用于低等无脊椎动物,如寄生虫和腔肠动物
- The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop. 外胚层胚胎最初三层胚层中的最外一层,由此发育成为表皮、神经组织和脊椎动物的感觉器官
- Until now, the three germ layers formed, the three germ layers is the development of primordial matrix. 到现在为止,三胚层就形成了,三胚层是胎体发育的始基。
- The outermost of the three primary germ layers of an embryo,from which the epidermis,nervous tissue,and,in vertebrates,sense organs develop. 外胚层胚胎最初三层胚层中的最外一层,由此发育成为表皮、神经组织和脊椎动物的感觉器官。
- Derived from two embryonic germ layers, the ectoderm and the endoderm.Used of lower invertebrates, such as sponges and coelenterates. 双胚层的具有两个胚层(外胚层和内胚层)的。用于低等无脊椎动物,如寄生虫和腔肠动物
- Derived from two embryonic germ layers,the ectoderm and the endoderm.Used of lower invertebrates,such as sponges and coelenterates. 双胚层的具有两个胚层(外胚层和内胚层)的。用于低等无脊椎动物,如寄生虫和腔肠动物
- It is often unpleasant to see an anomaly animal. 见到一只畸形动物常常会使人感到不快。
- After a period of growth, to 4 pm at the blastoderm over the weekend inside and outside the two germ layers, from the ectodermal layer of differentiated cells within the mesoderm to form embryos. 经过一段时间的发育,到4周末时在胚盘内、外两胚层之间,由外胚层分化出一层细胞,形成胚内中胚层。
- They are characterized by their potential to self-renew indefinitely and to differentiate into any of the three germ layers - endoderm, mesoderm and ectoderm. 阐明胚胎干细胞全能性维持以及向各种特定细胞分化的分子机制,不仅有助于我们了解胚胎发育过程,而且将促进胚胎干细胞尽早应用于疾病治疗。
- The animal is not used to the hotness of its new habitat yet. 这个动物还不习惯新栖息地的炎热。
- The dying animal was found foaming at the mouth. 那只将死的动物被发现口吐白沫。
- The animal's fur bristled up with anger. 那只动物因发怒而竖起了身上的毛。