sphincter ani externus

noun

sphincter ani ex·​ter·​nus -ˈā-ˌnī-ik-ˈstər-nəs How to pronounce sphincter ani externus (audio)
: anal sphincter sense a

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sphincter
sphincter ani externus
sphincter ani internus
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“Sphincter ani externus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sphincter%20ani%20externus. Accessed 31 Oct. 2025.

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