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
Cite this Entry
“Rectococcygeus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rectococcygeus. Accessed 29 Oct. 2025.
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