orbicularis oris

orbicularis oris

The SPHINCTER muscle surrounding the mouth used to close the mouth and purse the lips.
References in periodicals archive ?
In addition, there were neurogenic involvement findings in the musculus orbicularis oculi and musculus orbicularis oris. These finding suggest that the facial involvement was evidentin House-Brackmann FP to bilateral Stage III taught.
It interdigitates with the depressor anguli oris, with orbicularis oris, and depressor labii inferioris muscles, and it goes backwards into the masseter muscle."
Concentric needle electromyography (EMG) of the left orbicularis oris and orbicularis oculi muscles was performed at rest and during voluntary contraction 2 months post-injury.
For days on end after that orbicularis oris muscle exercise, our daily papers have mostly featured that kissing scene instead of the $1-billion Official Development Assistance (ODA) Seoul gave Duterte to boost his "Build, Build, Build" program.
The literature evidently addressed alteration of facial musculature in patients with SIS.7 Electromyographic analysis of facial muscles of two siblings showed an overall increased muscular activity of the temporal, orbicularis oris, orbicularis oculi, and masseter muscles.8 Thus, teeth crowding in the present case could be referred partly to the strong perioral musculature contraction.
In addition, muscle fibers showing denervation in the musculus orbicularis oris, which is a circular muscle, can act as an additional stimulus for the contralateral facial nerve to show axonal regenerative changes (1).
Morphology of the mentalis muscle and its relationship with the orbicularis oris and incisivus labii inferioris muscles.
A total dose of four units of botulinum toxin A was injected into the right levator labii superior muscle, two units into the right levator anguli oris muscle, two units into the left depressor anguli oris muscle, and two units into the right inferior orbicularis oris muscle.
Movement Muscles involved Kissing Orbicularis oris Blowing Buccinator, orbicularis oris Lifting Frontalis, corrugator supercilii, and upper eyebrows eyelid orbicularis oculi Smiling Risorius, zygomaticus major, zygomaticus minor, caninus, levator labii superioris, and orbicularis oris TABLE 2: Examples of results provided by SONRIE.
Bipolar needle EMG of bilateral facial innervated muscles (orbicularis oris, orbicularis ocoli, nasalis, and frontalis), trigeminal innervated muscles (temporalis and masseter) and hypoglossal (tongue) demonstrated florid denervation by the way of ample fibrillations (3/4), and positive sharp waves (3/4 for all).
A double lip presents as a double vermilion with a transverse furrow between the two borders which appear when the orbicularis oris muscle contracts during a smile.
Physical examination also revealed bilateral weakness of the facial muscles including orbicularis oris, orbicularis oculi, frontalis, and corrugator supercilii.