| 单词 | fertilized egg |
| 释义 | fertilized egg (once / 47089 pages) n WORD FAMILY fertilized egg: fertilized eggs USAGE EXAMPLESThese genes are passed only from mother to child, via the eggs; sperm do not contribute mitochondria to the fertilized egg. Washington Post(Nov 30, 2016) More important, they showed that they could bypass ES cells altogether and simultaneously knock out two genes in single-celled mouse zygotes, or fertilized eggs. Science Magazine(Nov 03, 2016) The placenta and fetus both originate from the fertilized egg and thus share a genetic profile, but occasionally an abnormality occurs only in the placenta. Washington Times(Nov 02, 2016) n an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life Syn|Hypo|Hyper conceptus, embryo blastosphere, blastula early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs gastruladouble-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm morulaa solid mass of blastomeres that forms when the zygote splits; develops into the blastula blastocyst, blastodermic vessiclethe blastula of a placental mammal in which some differentiation of cells has occurred animal, animate being, beast, brute, creature, fauna a living organism characterized by voluntary movement |
| 随便看 |
|
英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。