auricularis posterior (muscle)

auricularis posterior (muscle)

[TA]
facial muscle of external ear; origin, mastoid process; insertion, posterior portion of root of auricle; action, draws back the pinna; nerve supply, facial.

au·ric·u·la·ris pos·te·ri·or (mus·cle)

(aw-rikyū-lāris pos-tērē-ŏr mŭsĕl) [TA]
Facial muscle of external ear.