gwaryakgeun
sphincter
sphincter (terme technique)
괄약근은 소변과 대변을 조절하는 역할을 합니다.
gwal-yakgeun-eun sobyeon-gwa daebyeon-eul jojeolhaneun yeogaleul hamnida.
The sphincter plays a role in controlling urine and feces.
More words starting with 괄
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