A paired facial orbicularis muscle between the orbital orbicularis and pretarsal. It is innervated by the facial nerve and its functions is to close the lid. It is in three segments namely, pretarsal, preseptal, and orbital muscles.
A paired facial orbicularis muscle between the orbital orbicularis and pretarsal. It is innervated by the facial nerve and its functions is to close the lid. It is in three segments namely, pretarsal, preseptal, and orbital muscles.