corrugator supercilii muscle


cor·ru·ga·tor su·per·ci·li·i mus·cle

(kōr'ŭ-gā'tŏr sū'pĕr-sil'ē-ī mŭs'ĕl) Origin, from orbital portion of musculus orbicularis oculi and nasal prominence; insertion, skin of eyebrow; action, draws medial end of eyebrow downward and wrinkles forehead vertically; nerve supply, facial.
Synonym(s): musculus corrugator supercilii [TA] .

Coiter,

Volcher, Dutch surgeon and anatomist, 1534-1600. Coiter muscle - draws medial end of eyebrow downward and wrinkles forehead vertically. Synonym(s): corrugator supercilii muscle