病因

C. Etiology. Exposure of the endometrium to continuous estrogen unopposed by progesterone can lead to endometrial hyperplasia.

病因学：子宫内膜长期暴露于雌激素的作用下而没有孕激素的拮抗从而导致内膜增生过长。

UPP is essential for many cellular processes, including apoptosis, MHC class I antigen presentation, the cell cycle and intracellular signaling, which has a closed relationship with the cellular physiology and pathology.

UPP的异常改变不仅与恶性肿瘤的病因学有着直接关素，并且与恶性肿瘤的发展和预后有着密切的关系。

To be familiar with concept, etiology, pathogenesis, pathologic changes and clinical manifestations of uremia.

熟悉尿毒症的基本概念，病因，发病机制，病理变化和临床表现。

To understand the etiology, pathogenesis and classification criteria of uremia.

了解尿毒症的病因、发病机理及肾功能不全的分期标准。

This must first understand the symptoms of urethritis, urethritis and urethritis of the cause of the infection.

这个就得首先了解尿道炎的症状，尿道炎的病因和尿道炎的感染途径了。

objective: to explore the causes of the post-treatment clinical symptoms of the female patients with non-gonococcal urethritis.

目的： 探讨女性非淋菌性尿道炎患者治疗后出现的临床症状的病因。

Major clinical situation was voiding difficulty and, urethral masses, haemuresis and irritation sign of bladder so on;the diagnostic methods were urethroscopy,biopsy.

原发性尿道癌的病因不明，活检是唯一诊断标准，早期发现困难，就诊多为晚期，治疗方法不尽统一规范。

Objective To investigate the treatment of delayed uveitis after intraocular lens implantation.

目的 探讨人工晶状体植入术后迟发性葡萄膜炎的治疗及病因。

Mitochondrial dysfunction was obvious many months before onset of vacuolation, implicating this as a causative factor.

在空泡形成前数个月，就明显出现线粒体机能障碍，暗示 Mgrn1 突变是神经退行性病的病因。

However, very often the causes of vaginismus are entirely psychological.

可是，阴道痉挛十分常见的病因完全是心理性的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。