中国医大2011年7月考试《组织胚胎学》考查课试题（In July 2011, China medical university examined the examination questions of the organization embryology）.doc

中国医大2011年7月考试《组织胚胎学》考查课试题（In July 2011, China medical university examined the examination questions of the organization embryology） One, the terms are explained (a total of 5 questions, a total of 15 points). V What is fertilization? Whats the point? Fertilization is the process of fusion of eggs and sperm into a zygote. It is the basic characteristic of sexual reproduction, which is ubiquitous Animals and plants, but people usually refer to animals. Animal fertilization at the cellular level, fertilization process There are three main stages, including egg activation, adjustment and amphoteric fusion. The meaning of fertilization: sexual reproduction allows for more combinations and changes of gametes, when fertilization occurs, relative to asexual reproduction In time, it also makes the genes compensate for each other, producing more phenotypes, which effectively antagonistic natural selection and enhancement The adaptability of species to various environments and to environmental changes. 2. He austenite The Neanderthal body is a basophilic substance, which is also known as the chromophilic, which is the distribution of plaques or fine particles in the photoscope. In some large The type of motor neuron, which is large and large, is just like a tiger skin pattern. It is also called tiger spot under the electric mirror A large number of parallel arrays of rough endoplasmic reticulum and the free ribosomes. 3. The implant The blastocyst is gradually embedded in the endometrium process. Time of implantation: the start time is 5 ~ 6 days after fertilization, end time In the 11th - 12 days after fertilization, the normal implant location is the uterine or uterine body. 4. What is the blastoderm? Whats the effect? During the second week of embryo development, the inner cells divide into two layers of cells, which are called inside the cells of a layer of cells near the side of the blastocyst Layer; The upper layer of the columnar cell is called the ectoderm. The inner a