Waste is then removed and closed down the ureters to the urinary bladder.

废物随后被清除并关闭通往膀胱的输尿管。

Urine collects in the renal pelvis and then heads out of the kidney through the ureter.

尿液在肾盂中聚集，然后通过输尿管排出肾脏。

The urine passes down through the ureters and into the bladder.

尿液顺着输尿管流进入膀胱。

From there, it goes down the ureter which has a muscular lining which helps to push urine along.

从肾盂起，尿液经输尿管（细长肌性管道，可推动尿液前进）流。

He also connects the ureter-the tube that connects the kidney to the bladder-from the pig organ to the human ureter.

他还将猪的输尿管(连接肾脏膀胱的管道)人的输尿管连接起来。

The two " ureters" that pass it along to the bladder...

到膀胱的两个“输尿管” . .

In grade III, urine fills and begins to stretch both the ureter and the renal pelvis.

尿液的充盈开始导致输尿管和肾盂扩张。

In grade II, urine fills the entire ureter and the renal pelvis, the center part of the kidney.

尿液充满整个输尿管和肾盂，即肾的中心部分。

Grade I, is least severe, and urine only goes up into the ureters.

病情最轻，尿液仅仅进入输尿管。

It's basically a one way valve that prevents urine from refluxing backwards from the bladder into the ureters.

基本上如同一个单向瓣膜，阻止尿液从膀胱返流进入输尿管。

A rigid tube called a stent can be placed in the ureter to expand it.

可以将称为支架的刚性管放置在输尿管中以扩张输尿管。

The fluid that leaves the kidneys, known as urine, travels through a tube called the ureter to the bladder.

膀胱可以储存尿液，直到其通过尿道从身体排出。

In that situation, as the bladder pressure builds with more urine, it starts to go back up the ureters.

在这种情况，随着膀胱内尿液越积越多，尿液便开始从膀胱进入输尿管；尿液便开始从膀胱逆流至输尿管。

The ureters are two tubes that drain urine from the kidneys to the bladder.

输尿管是两个将尿液从肾脏排到膀胱的管道。

Muscles in the walls of the ureters send the urine in small spurts into the bladder.

尿管壁上的肌肉将尿液以小股的形式喷射入膀胱。

Each ureter is a muscular tube about 25 cm long.

每个输尿管是一个大约25厘米长的肌肉管。

Primary, meaning he had an anatomic abnormality at his ureterovesicle junction, where the ureter connects to the bladder.

" Primary" ：原发性，是输尿管在膀胱的接口处产生异常。

Ultimately the filtrate is turned into urine and is excreted from the kidney through the ureter, into the bladder, and peed away.

最终滤液变成尿液，通过输尿管从肾脏排出，进入膀胱，再尿出。

A kidney stone is a hard mass of crystals that can form in the kidneys, ureters, bladder, or urethra.

肾结石是一团坚硬的晶体，可在肾脏、输尿管、膀胱或尿道中形成。

As urine flows from the kidney, through the ureters and into the bladder, the bladder starts to expand into the abdomen.

当尿液从肾经过输尿管进入膀胱时，膀胱开始扩张而压迫腹腔。