Anal sphincter



anal sphincter

anal sphincter n.
Either of the two sphincter muscles of the anus. See under external and internal sphincter muscle of anus.

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  • Anal stage

    anal stage According to psychoanalysis, the second social and sexual stage of an infant’s development (after the oral stage), in which the infant learns to control bowel movements. Freudian psychology maintains that children gain pleasure from both passing and withholding their feces. Psychoanalysts believe that development of an anal personality is associated with frustration over […]

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  • Anal verge

    anal verge anal verge n. The distal end of the anal canal, forming a transitional zone between the skin of the anal canal and the perianal skin.

  • Anal-expulsive

    anal-expulsive anal-expulsive adj. Indicating personality traits, such as conceit, suspicion, ambition, and generosity, originating in habits, attitudes, or values associated with infantile pleasure in the expulsion of feces.



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