Contribution of the external anal sphincter to the pressure zone in the anal canal
- 1 February 1965
- Vol. 6 (1) , 64-68
- https://doi.org/10.1136/gut.6.1.64
Abstract
Pressure and electromyographic studies in 20 men before and after giving succinyl-choline or gallamine triethiodide show that the external anal sphincter contributes to the pressure only when a bolus is within the anal canal.Keywords
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