Last Updated
：2026/01/07
内尿道括約筋
Hiragana
ないにょうどうかつやくきん
Noun
Japanese Meaning
内尿道括約筋
Easy Japanese Meaning
ぼうこうの出口で、じどうてきにおしっこがもれないようにしめるきんにく
Chinese (Simplified) Meaning
围绕膀胱颈和近端尿道的平滑肌环 / 不随意收缩，控制尿液从膀胱进入尿道 / 男性中可防止射精时精液逆流入膀胱
Chinese (Traditional) Meaning
尿道內的平滑肌括約器，維持尿道閉合並控制排尿 / 位於膀胱頸與近端尿道的環狀平滑肌，受自律神經支配
Korean Meaning
방광목과 요도 경계에 위치한 평활근성 괄약근 / 소변의 유출을 무의식적으로 조절하는 근육 / 남성에서 사정 시 정액의 방광 역류를 방지함
Vietnamese Meaning
cơ thắt niệu đạo trong / cơ vòng trong của niệu đạo
Tagalog Meaning
panloob na spinkter ng yuritra / pabilog na kalamnan sa leeg ng pantog na kumokontrol sa pag-agos ng ihi / kalamnan na awtomatikong pumipigil sa paglabas ng ihi
Sense（1）
(anatomy) an internal urethral sphincter
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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内尿道括約筋
See correct answer
The internal urethral sphincter plays a crucial role in controlling the flow of urine.
The internal urethral sphincter plays a crucial role in controlling the flow of urine.
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内尿道括約筋は、尿の流れをコントロールするための重要な役割を果たしています。
Japanese - English
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