病因学

Histiocytic necrotizing lymphadenitis ; Kikuchi disease ; Epstein Barr virus ; non specific lymphadenitis ; virologic pathogenesis

组织细胞坏死性淋巴结炎； Kikuchi病； EB病毒；非特异性淋巴结炎；病毒病因学

Objective To investigate the mutation characteristics of paired box homeotic gene 9(PAX9) and mus-cle segment homeobox gene 1(MSX1) of patients with congenital oligodontia.

目的 探讨多数牙先天缺失患者的人类成对盒基因(PAX9)和肌节同源盒基因(MSX1)突变位点，为该疾病的病因学研究提供依据。

Normal microbial flora takes part in the formation of skin barrier and innate immunity, and plays an important role in the aetiology of related mucocutaneous diseases.

微生物群落参与皮肤屏障及天然免疫形成，在皮肤黏膜相关疾病的病因学中，具有不容忽视的影响。

BACKGROUND: Alloimmune lung injury, characterized by perivascular lymphocytic inflammation, lymphocytic bronchiolitis, and obliterative bronchiolitis, causes substantial morbidity and mortality after lung transplantation and bone marrow transplantation, but little is known regarding its pathogenesis.

背景：同种免疫肺损伤以管周淋巴细胞浸润、淋巴细胞性细支气管炎和闭塞性细支气管炎为特征，它在肺移植和骨髓移植患者中有较高的患病率和死亡率，但是其病因学目前知之甚少。

BACKGROUND: Odontogenic infection factor has been given much importance in the study of the etiology of secondary trigeminal neuralgia,and the theory of jaw bone cavities is proposed.

背景：三叉神经痛的发病原因中因牙源性感染因素所致，在继发三叉神经痛的病因学研究中愈来愈受到重视，并提出了颌骨骨腔病变学说。

The writers say "Because there are no satisfactory studies of microbiological etiology from typical primary care patient practices, wide-scale overtreatment is likely occurring."

作者谈到，由于没有令人满意的来自典型患者治疗实践的微生物病因学研究，因此大范围内采取过度治疗也就不时发生。

Prevention of the potential pathogenetic factors identified in this study might be the key point to attain good long-term graft function.

对于该研究中明确的潜在的病因学因素的防范对于获得良好的移植物功能意义重大。

Rectovaginal Fistula/etiol ; Rectovaginal Fistula/ther ; Iatrogenic Disease

直肠阴道瘘/病因学；直肠阴道瘘/治疗；医源性疾病

There is some evidence to suggest that sacral orientation can be a key player in revealing the etiology of spondylolysis.

有证据表明骶骨的方向在脊柱滑脱病因学中可能扮演重要角色。

Cerebral palsy ; CT scranning ; magnetic resonance image ; etiology

脑性瘫痪； CT扫描；磁共振成象；病因学

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失