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@anatomyweasel: The external anal sphincter is the muscle that lets you decide when it is or is not time to poop. It wraps around the anal canal and voluntarily squeezes it shut, helping you hold in stool or gas. It is innervated by the inferior rectal nerve from the pudendal nerve, S2 to S4, which is why pelvic nerve control is so important for continence. #Anatomy #MuscleOfTheDay #Kinesiology #anatomyshorts #STEMTok

anatomyweasel
anatomyweasel
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Monday 18 May 2026 14:00:00 GMT
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الأسماء هذي لها معزة خاصة.. شيكوا عليها وأبشروا باللي لسه ما شاف اسمه...
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