Zygomaticus major: Origin, insertion, action, innervation - Kenhub
2023年10月30日 · As zygomaticus major contracts, it pulls the angle of the mouth superolaterally. In synergy with risorius, zygomaticus major produces the expression of smiling. This function is followed by the deepening of the nasolabial groove.
Zygomaticus major muscle - Wikipedia
The zygomaticus major muscle is a muscle of the face. It arises from either zygomatic arch ( cheekbone ); it inserts at the corner of the mouth. It is innervated by branches of the facial nerve (cranial nerve VII) .
Zygomaticus Major Muscle | Complete Anatomy - Elsevier
Learn about the zygomaticus major muscle: its origin, action, innervation and clinical correlations.
Zygomaticus major | Encyclopedia | Anatomy.app | Learn …
The zygomaticus major muscle (Latin: musculus zygomaticus major) is a paired facial muscle that extends between the zygomatic bone and the angle of the mouth. It is one of two zygomatic muscles, and the other is known as the zygomaticus minor .
Zygomaticus Major Muscle Function, Origin & Anatomy | Body …
2018年1月22日 · The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth's angle upward and outward.
Zygomaticus major Muscle - Origin, Insertion, Function, Exercise
2022年12月19日 · The zygomaticus major muscles originate from the lateral surface of the zygomatic bone, slightly anterior to the zygomaticotemporal suture and lateral to the origin of the zygomaticus minor muscle. It runs inferomedially over the lateral surface of the maxilla to insert to the angle of the mouth.
Zygomaticus minor: Origin, insertion, action, innervation - Kenhub
2023年11月3日 · Zygomaticus minor muscle (musculus zygomaticus minor) Zygomaticus minor is a thin paired facial muscle extending horizontally over the cheeks. It belongs to a large group of muscles of facial expression called the buccolabial group.
Zygomaticus Major - (Anatomy and Physiology I) - Fiveable
The zygomaticus major is a facial muscle that originates from the zygomatic bone and inserts into the angle of the mouth, playing a key role in the movement and expression of the lips and cheeks. This muscle is an important component of the axial musculature of the head, neck, and back.
Zygomaticus minor muscle - Wikipedia
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.
Zygomaticus major | Facial muscles | Head and Neck
The zygomaticus major muscle is a paired facial muscle that extends between the zygomatic bone and the corner of the mouth. It is one of the two zygomatic muscles (major and minor ) that lie next to each other in the cheek area.