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

着输流下进入膀胱。

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，阻止从膀胱返流进入输。

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

从肾盂起，经输（细长肌性道，可推动前进）流下。

Once the urine leaves the kidneys, it enters the ureters, a pair of slender tubes that drop down to the posterior urinary bladder.

一旦离开肾脏，就进入输，输是一对细长的子，一直延伸到后膀胱。

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

病情最轻，仅仅进入输。

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

把它传到膀胱的两个“输” . .

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

在肾盂中聚集，然后通过输排出肾脏。

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(肾脏与膀胱的道)与人的输起来。

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

在这种情况下，随着膀胱内越积越多，便开始从膀胱进入输；便开始从膀胱逆流至输。

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

当从肾经过输进入膀胱时，膀胱开始扩张而压迫腹腔。

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

输是两个将从肾脏排到膀胱的道。

Rather, like the small intestines, each ureter features a layer of smooth muscle that contracts to move urine using peristalsis.

相反，就像小肠一样，每个输都有一层平滑肌，该平滑肌通过蠕动收缩以移动。

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

的充盈开始导致输和肾盂扩张。

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

充满整个输和肾盂，即肾的中心部分。

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放置在输中以扩张输。

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，直到其通过道从身体排出。

Each ureter is a muscular tube about 25 cm long.

每个输是一个大约25厘米长的肌肉。

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、膀胱或道中形成。

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

" Primary" ：原发性，是输在与膀胱的口处产生异常。

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

壁上的肌肉将以小股的形式喷射入膀胱。