What does "sphincter" mean?
Sphincter: A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.
Additional senses
- 2.Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00