levator anguli oris การใช้

The canine fossa gives origin to the levator anguli oris.
Specifically, the levator anguli oris is innervated by the buccal branches of the facial nerve.
It rests on the buccinator and levator anguli oris, and passes either over or under the infraorbital head of the levator labii superioris.
It is contributed to by the following muscles : orbicularis oris, buccinator, levator anguli oris, depressor anguli oris, zygomaticus major, risorius, platysma, levator labii superioris.
It is larger and deeper than the comparable incisive fossa, and is separated from it by a vertical ridge, the canine eminence, corresponding to the socket of the canine tooth; the canine fossa gives origin to the levator anguli oris.