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Ontogenezis244. Ontogenesis - is 245. Prenatal ontogeny includes periods 246. The first critical period of prenatal ontogenesis accounted for 247. Depending on the cause of congenital malformations can be divided into 248. Violation of any cellular mechanism leading to hypoplasia of organ 249. Monozygotic twins develop from 250. Cellular process, which is important in the ontogenetic development 251. Early ontogeny is characterized by human 252. Ooplazmatic segregation 253. The second critical period of prenatal ontogenesis accounted for 254. Exogenous factors are teratogenic 255. Teratogenesis - the process 256. Embryopathy - a 257. The term "positional information" means 258. The polarity of the oocyte 259. According to the positional information 260. Totipotency - is 261. The embryo is called a fruit in terms of pregnancy 262. Depending on the period of the CDF can be divided into 263. The third critical period of prenatal ontogenesis accounted for 264. Ontogenetic development is determined by 265. In the ontogenetic development of the role played by 266. The processes that determine the ontogenetic development 267. Periods of high sensitivity in the antenatal ontogenesis 268. Crossing-over occurs in the period 269. Congenital malformations occur as a result of teratogenic factors in 270. By embryopathy include 271. To include blastopatiyam 272. To apply fetopathy 273. Classification of congenital malformations 274. Congenital malformations are divided into 275. To include multiple malformations 276. For the system malformations are 277. Congenital malformations can occur under the action 278. By the birth of children with congenital malformations can cause disease pregnant women 279. Diseases of pregnant women, promoting the development of congenital malformations 280. Teratogenic in early pregnancy has a cure 281. Medications that have teratogenic 282. Congenital malformations, occurring up to 8 weeks of pregnancy 283. In human ontogenesis periods are 284. Genes are "housekeeping" 285. Violations of the ontogenetic development give rise to 286. The action which the quotient in the early stages of pregnancy may cause the ontogenetic development 287. As a result of oogenesis is formed 288. Spermatogenesis ends 289. The primary female sex cells (oogonia) are characterized by 290. Reproduction of the primary female sex cells are 291. Differentiation of the sex of the child begins 292. The cells of the embryo after the first division are called 293. Mutations with maternal effect called mutations, occur in the 294. Homeotic mutations are called mutations, violating processes 295. Homeotic mutations lead to a breach of the processes 296. In utero observed activity of genes controlling the synthesis of 297. Teratogenic factors are called factors of external and internal environment, which are the cause of 298. To teratogenic environmental factors are 299. Teratogenic environmental factors are of biological origin 300. The critical periods of ontogenesis are called periods 301. Primary germ cells of the female body as a result of meiosis forms 302. The primary male sex cell resulting from meiosis generates 303. Prevention of occupational diseases includes 304. The purpose of medical examinations 305. Prevention and restriction of smoking, alcohol abuse directed at 306. Smoking is permitted in 307. Implementation of alcoholic beverages is prohibited 308. Prevention of substance abuse includes Дата добавления: 2015-09-18 | Просмотры: 532 | Нарушение авторских прав |