anal sphincter |
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Wiktionary (1 definition)
- The sphincter (= ring muscle) that surrounds the anus (=anal orifice)
–noun
WordNet (1 definition)
- The sphincter muscle of the anus.
–noun
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GNU Webster's 1913
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Interestingly, there are several sphincter muscles in the human body (like the iris of the eye), but the ones that matter here are the two anal sphincter muscles, the inner, which is smooth and involuntary, and the outer, which is under voluntary control and will more or less behave when you tell it to.
An oval-shaped muscle of erectile tissue surrounds the inner lips and clitoris, where the vagina and g-spot pass through it, and connects to another oval that surrounds the anal sphincter muscle, encircling the anus.
Any guesses as to whether or not Bush's anal sphincter has constricted??
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