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The zygomaticus major muscle is a muscle of the face. It arises from either zygomatic arch ; it inserts at the corner of the mouth. It is innervated by branches of the facial nerve (cranial nerve VII). It is a muscle of facial expression, which draws the angle of the mouth superiorly and posteriorly to allow one to smile. Bifid zygomaticus ...
The zygomatic process of the maxilla [2] is a rough triangular eminence, situated at the angle of separation of the anterior, zygomatic, and orbital surfaces.. In front it forms part of the anterior surface.
The zygomatic branches of the facial nerve (malar branches) are nerves of the face.They run across the zygomatic bone to the lateral angle of the orbit.Here, they supply the orbicularis oculi muscle, and join with filaments from the lacrimal nerve and the zygomaticofacial branch of the maxillary nerve (CN V 2).
zygomaticus major: head, mouth (left/right) zygomatic bone in region of zygomaticomaxillary suture modiolus of mouth: facial artery: facial nerve [CNVII], buccal branch: draws angle of mouth upward and laterally 2 1 zygomaticus minor: head, mouth (left/right) zygomatic bone in region of zygomaticomaxillary suture skin of upper lip: facial artery
Zygomaticus major muscle; Zygomaticus minor muscle; Levator labii superioris; Levator labii superioris alaeque nasi muscle; Depressor labii inferioris muscle; Levator anguli oris; Buccinator muscle; Mentalis; The platysma is supplied by the facial nerve. Although it is mostly in the neck and can be grouped with the neck muscles by location, it ...
The zygomaticus minor muscle is a muscle of facial expression. It originates from the zygomatic bone, lateral to the rest of the levator labii superioris muscle, and inserts into the outer part of the upper lip. It draws the upper lip backward, upward, and outward and is used in smiling. It is innervated by the facial nerve (VII).
In anatomy, the zygomatic arch (colloquially known as the cheek bone), is a part of the skull formed by the zygomatic process of the temporal bone (a bone extending forward from the side of the skull, over the opening of the ear) and the temporal process of the zygomatic bone (the side of the cheekbone), the two being united by an oblique suture (the zygomaticotemporal suture); [1] the tendon ...
It is contributed to by at least nine muscles: orbicularis oris, buccinator, levator anguli oris, depressor anguli oris, zygomaticus major, zygomaticus minor, risorius, quadratus labii superioris, quadratus labii inferioris. [1] [2] Its position and movements are important in moving the mouth, facial expression and in prosthetic dentistry. It ...