pyramidalis
noun
py·ram·i·da·lis
pə-ˌram-ə-ˈdā-ləs 
plural pyramidales
-(ˌ)lēz
or pyramidalises
or pyramidalises
: a small triangular muscle of the lower front part of the abdomen that is situated in front of and in the same sheath with the rectus and functions to tense the linea alba
Cite this Entry
“Pyramidalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pyramidalis. Accessed 5 Dec. 2025.
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