The resulting semifluid paste-chyme-is sealed in the stomach by two ringlike sphincter muscles for several hours and then released in short bursts into theduodenum .
它被胃用上下两个环状的括约肌封闭在胃腔内，数小时候，在短时间内迅速从胃释放到十二指肠。
Effect of truncal vagotomy on sphincter of oddi in dogs .
犬迷走神经干切断术对oddi括约肌的影响。
Heard you had a real sphincter pucker last night .
听说你昨晚括约肌都收缩了。
Alleviating cramping in the rectal sphincter .
在直肠括约肌缓解绞痛.
They are using synthetic polymer gels that expand and contract in response to small electrical currents to create synthetic muscles for replacing heart valves , sphincter muscles and , eventually , larger muscles .
