transversus menti muscle

trans·ver·sus men·ti mus·cle

(trans-vĕr'sŭs men'tī mŭs'ĕl) Inconstant fibers of the depressor anguli oris muscle continue into the neck and cross to the opposite side inferior to the chin.
Synonym(s): musculus transversus menti [TA] , transverse muscle of chin.