pyramidalis

py·ram·i·da·lis (mus·cle)

[TA] muscle of inferior abdomen; origin, crest of pubis; insertion, lower portion of linea alba; action, makes linea alba tense; nerve supply, subcostal. Synonym(s): musculus pyramidalis [TA], pyramidal muscle

pyramidalis

(pĭ-răm″ĭ-dăl′ĭs) [L.] The muscle that arises from the crest of the pubis and is inserted into the linea alba upward about halfway to the navel.

pyramidalis auriculae

A small muscle inserted into the auricle of the ear. It is often absent.