sphincter
sphincter — 名詞
- sphinctersingular
- sphinctersplural
1. a ring-shaped muscle inside the body that tightens to close a natural opening or
括約肌
控制身體管道開閉的環狀肌肉
a ring-shaped muscle inside the body that tightens to close a natural opening or passage, controlling the flow of waste or fluids
The anal sphincter works without you having to think about keeping it closed.
肛門括約肌會自動運作，所以你不需要刻意去想如何保持緊閉。
collocation: works without effort
After a large meal, Lien felt a sphincter relax to let gas escape from her stomach.
吃完一頓大餐後，Lien 感覺到一個括約肌放鬆，讓胃裡的氣體排出來。
Weak sphincter muscles can sometimes be strengthened through daily pelvic floor exercises.
無力的括約肌有時可以透過每天做骨盆底運動來強化。
passive: can be strengthened
The pyloric sphincter acts like a gate between the stomach and the small intestine.
幽門括約肌的作用就像胃與小腸之間的一道閘門。
comparison: acts like a gate
Lakshmi's doctor told her that a damaged sphincter might require surgery to repair.
Lakshmi 的主治醫師告訴她，受損的括約肌可能需要手術修復。
- anal sphincter
- cardiac sphincter
- pyloric sphincter
- sphincter muscle
- sphincter control
- valve
Valve is a general term for any structure that controls flow; sphincter specifically refers to a ring of muscle in the body.
文法句型
countable noun
用法筆記
Frequently used with an adjective naming the specific location or type, such as anal sphincter, cardiac sphincter, or pyloric sphincter.
同根字
- sphincteric形容詞C2
常見搭配
名詞搭配
- anal sphincter
- cardiac sphincter
- pyloric sphincter
- sphincter muscle