发病的

So people attach great importance to the damage by its toxicity. The main target organ of manganese is nervous system. At the early stage, its major symptoms are neurasthenic syndrome and autonomic nerve functional disorder, and then the apparent damage to extracorticospinal tract nerves, similar to that of a Parkinson's disease.

锰的主要毒作用器官是神经系统，早期以神经衰弱综合征和植物神经功能紊乱为主，继而可出现明显的锥体外系神经受损症状，与帕金森病(Parkinson's disease，PD)症状类似，流行病学研究认为锰是PD发病的环境危险因素之一。

A clear understanding of genetic factors and environmental influences that predispose to NAFLD/NASH is needed.

对于遗传和环境因素对于NAFLD和NASH的发病的影响，需要有一个清晰的认识。

Objective To study some possible apoptosis mechanisms of the process of retinal degeneration in rds mice.

目的探讨细胞因子Ⅱ在视网膜色素变性过程中表达的变化，以此窥视遗传性视网膜色素变性的转基因小鼠发病的某些可能因素。

The histopathological changes of inoculated duckling were observed.The result showed that the death peak was in 24-48 h with the mortality of 80%.The histopathological changes were hemorrhagic necrotic hepatitis,necrotic splenitis,pancreas limitation coagulation necrosis and heterophil infiltrating into renal leaflet,respectively.

结果表明，接毒后 2 4～ 48h为感染鸭死亡高峰，试验发病的死亡率为 80 %；感染雏鸭肝、脾、胰、肾的组织病理变化分别表现为出血性、坏死性肝炎，坏死性脾炎，胰局灶性坏死及肾小叶的异嗜性粒细胞浸润。

Simple syndactyly is more common between the third and fourth fingers and the second and third toes.

简单的并指畸形常发生于第三和第四指以及第二和第三趾之间。50%的病例是双侧发病的。

Objective: To study the possible relationship between expressions of Matrix Metalloproteinase-2,-9 and the pathogenesis of preeclampsia in which trophoblast invasions is impaired.

目的：通过比较子痫前期和正常胎盘的滋养细胞MMP-2和-9的表达情况，探讨MMP-2和-9与子痫前期发病的关系。

A major goal of the program, which initially focuses on anthrax and tularemia, is to discoer protein biomarkers that could be used to identify the onset of an infectious disease before a patient exhibits symptoms, explains Bailey.

该研究起始于对炭疽和兔热病的关注，其主要目的是发现在感染性疾病患者表现出典型症状之前明确其发病的蛋白生物标记物，在这些致死性疾病症状出现前的诊断能够让医生及时地治疗以挽救生命，越早越好。

Traditionally, it was divided into acute and chronic arseniasis, which were decided mainly by exposing dose and time from exposure to attack.

传统砷中毒的概念分急性砷中毒和慢性砷中毒，它们主要是由于机体单位时间接触砷的量和从接触到发病的时间长短来决定。

Objective: To investigate the morphologic feature of human apocrine sweat glands in axillae of osmidrosis patients, in order to discuss the secretory periods and the causes for the occurrence of osmidrosis.

目的：研究腋臭患者腋窝顶泌汗腺的形态学结构，探讨顶泌汗腺的分泌周期和影响腋臭发病的因素。

Although Pseudodactylogrus bini disease of European eel also occurred in winter, it mainly occurred in the end of spring, summer and the beginning of autumn when water temperature was above 26°C.

该病尽管在冬季也有发生，但水温在26°C以上的春末、夏季和秋初是最易发病的流行季节，流行出现明显的季节性变化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。