Anal sphincter anatomy

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The external anal sphincter measures about 8 to 10 cm in length, the anus, when defecation occurs the sphincter muscle retracts.

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Description:It is suggested that unless all three of the loops are destroyed, any single loop can act as a sphincter which maintains continence to solid stools but not to fluid ones or flatus. During the repair of 20 acute fourth-degree lacerations, observations were made to determine the internal sphincter visibility following birth. Actions[ edit ] The action of this muscle is peculiar. Anorectal manometry measures the pressures:

Views: 8741 Date: 2018-07-06 Favorited: 58 favorites

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