rectococcygeus

noun
rec·​to·​coc·​cyg·​e·​us | \ ˌrek-tō-käk-ˈsij-ē-əs \
plural rectococcygei\ -​ē-​ˌī \

Medical Definition of rectococcygeus

: a band of smooth muscle extending from the coccyx to the posterior wall of the rectum and serving to retract and elevate the rectum

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