polytocous animal是什么意思

网络释义

用法例句

The vitrified cryopreservation of animal embryo is a new supper-low temperature freezing method,the several animal and human embryos have been succ essfully cryopreserved,this method will be of great value to application and research.

动物胚胎的玻璃化冻存是一项新的深低温冷冻方法,已成功地冻存了多种动物和人的胚胎,具有较高的实际应用和研究价值。

Study on Sex Identification in Mammals Embryos with Polymerase Chain Reaction;

PCR法鉴别哺乳动物胚胎性别的研究

The excretory organ of a vertebrate embryo from which the kidney develops.

原肾脊椎动物胚胎的排泄器官，肾由此发展而来

Derivation and Preliminary Characterization of Several Mammalian Embryonic Stem Cell

几种哺乳动物胚胎干细胞建系与初步鉴定

The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.

中胚叶节脊索类脊椎动物胚胎的中胚层的中间部分，最终会发育成排泄组织

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

embryonic development of invertebrate

胚胎发育（无脊椎动物）

embryonic development of vertebrates

胚胎发育（脊椎动物）

A minute plant or animal form that resembles an embryo.

胚状体象胚胎的小的植物或动物的形状

The modified blastula that is characteristic of placental mammals.

胚泡转化的囊胚，为胎盘哺乳动物的特征

The rudimentary bud of a plant embryo.

胚芽植物胚胎的基芽

The fertilized egg of a vertebrate animal following cleavage.

胚胎卵裂后的脊椎动物的受精卵

The embryo develops into a well formed animal

胚胎发育成形体完美的动物。

Exploration on Teaching Practice of "Animal Tissues Embryology";

《动物组织胚胎学》教学实践的探索

Development of CAI courseware for "animal histology and embryology"

动物组织学与胚胎学CAI课件的制作

Having three germ layers.Used of the vertebrate embryo.

三重胚的具有三层原胚层的。用于脊椎动物的胚胎

The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.

胚盘鸟蛋或爬行动物卵的蛋黄表面的细胞层，胚盘由此形成，胚胎从胚盘发育

Establishment of spina bifida model and study of the mechanism of its formation in Wistar rat fetus

脊柱裂动物模型制作与胚胎发生机制探讨

Studies of Differentiation of Mammalia Early Embryo by Using the Microbeam of Laser

使用激光微束研究哺乳动物早期胚胎分化