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单词 sphincter
释义

sphincter /'sfɪŋktə//'sfɪŋktɚ/

英汉-汉英词典
n. 括约肌
词组 | 习惯用语
anal sphincter 肛门括约肌;肛管括约肌
英语例句库
  1. In recent years,we used the operation way combining stripping external hemorrhoid,ligating internal hemorrhoid and cutting part of sphincter ani internus to treat 32 such patients.
    嵌顿性混合痔病人相当痛苦,近年来,我科采用外剥内扎并切断部分内括约肌手术治疗32例。

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原声例句
生活大爆炸 第4季

There are over 50 different sphincters in the human body. How many can you name?

人体内共有超过50种不同的括约 你能叫出多少?

逍遥法外 第三季

And it's the same color as my cadaver's esophageal sphincter.

而且,这甜品的颜色跟我解剖尸体的食管括约肌一样。

生物学基础入门

There are two little sphincters that control when to release your urine from the bladder.

有两个小括约肌控制何时从膀胱中释放尿液。

Osmosis-消化

Additionally, the lower esophageal sphincter is tightly closed between meals to prevent acid reflux.

另外,食管下括约肌在不进食时会保持强力收缩状态,来防止胃酸返流。

双语版 TED-Ed 演讲精选

When you want to delay urinating, you keep the sphincter closed.

当你想憋尿时,括约就会关上。

Osmosis-解剖与生理

These parasympathetic neurons make the rectum contract and the internal anal sphincter relax.

这些副交感神经元可以使直肠收缩,并使肛门内括约肌松弛。

科学洞察双语版

You may also stretch your external sphincter muscles.

你也有可能会撑大你的外括约肌。

PBS趣味科普

It's one of many sphincters on your body.

它是你身体上的括约肌之一。

生活大爆炸 第8季

Great timing. My " Check sphincter" light just went on.

说得真是时候。我的" 检查菊花" 灯刚好亮了呢。

生活大爆炸 第4季

You mock the sphincter but the sphincter is a class of muscle without which human beings couldn't survive.

你居然嘲笑括约肌 括约肌可是人体的一组肌肉 没有的话人类没法存活的哦。

中文百科

括约肌

括约肌是分布在人和动物体内某些管腔壁的一种环形肌肉,体积大多厚大。人的肛门、尿道、膀胱还有胃部的贲门和幽门都有括约肌。

括约肌在收缩时能关闭管腔,舒张时使管腔开放,平时经常处于收缩状态。一般受植物性神经支配或激素调节。

人体内的括约肌见于消化道和泌尿系统,包括:

幽门括约肌:在胃出口处的幽门括约肌,它能限制每次胃蠕动排出的食物量,并防止十二指肠内容物逆流入胃内。

回盲括约肌:回肠末端与盲肠交界处的回盲括约肌,能防止回肠内容物向盲肠排放;防止回肠内容物过快地进入大肠,延长食糜在小肠内的停留时间,利于小肠内容物的完全消化和吸收,并阻止大肠内容物向回肠倒流。

英语百科

Sphincter 括约肌

Diagram of Ileocaecal valve and sphincter

A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals. There are over 60 types in the human body, some microscopically small, in particular the millions of precapillary sphincters. Sphincters relax at death, often releasing fluids.

近义、反义、联想词
近义词
n.
muscle, musculus

联想词
anus肛门;rectum直肠;esophagus食道;esophageal食道的;muscles肌肉;vagina阴道;rectal直肠的;anal肛门的;bladder膀胱;muscle肌肉;vaginal阴道的;
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更新时间:2025/6/21 5:19:40