Rare card
External anal sphincter
- Value
- 50 W
- Attack
- 253
- Defence
- 202
- Players
- 0
The external anal sphincter (or sphincter ani externus) is an oval tube of skeletal muscle fibers. Distally, it is adherent to the skin surrounding the margin of the anus. It exhibits a resting state of tonic contraction and also contracts during the bulbospongiosus reflex.
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