A sphincter made up of striated musculature. SYN: striated muscular sphincter. [rhabdo- + G. sphinkter, sphincter]
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rhab·do·sphinc·ter (rab″do-sfingkґtər) [rhabdo- + sphincter] 1. musculus sphincter urethrae externus urethrae femininae. 2. musculus sphincter urethrae externus urethrae masculinae.Medical dictionary. 2011.