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sphincter
1 ENTRIES FOUND:
sphincter
(noun)
sphincter
/
ˈ
sfɪŋktɚ/
noun
plural
sphincters
sphincter
/
ˈ
sfɪŋktɚ/
noun
plural
sphincters
Britannica Dictionary definition of SPHINCTER
[
count
]
medical
:
a ring-shaped muscle that surrounds a body opening and that can tighten to close the opening
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external
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located, seen, or used on the outside or surface of something
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