rectococcygeus
noun
rec·to·coc·cyg·e·us
ˌrek-tō-käk-ˈsij-ē-əs 
plural rectococcygei
-ē-ˌī
: 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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“Rectococcygeus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rectococcygeus. Accessed 21 Dec. 2024.
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