WebMuscle Origin Insertion Action Muscle of Facial Expression Epicranius Frontal Epicranial aponeurosis. Eyebrow skin and root of nose. Raises eyebrows. Epicranius Occipital Occipital and temporal bones. Epicranial aponeurosis. Fixes aponeurosis and pulls scalp posteriorly Orbicularis oculi Frontal/maxillary bones and ligaments around orbit WebDec 20, 2024 · The nerve arises in the facial canal, and travels across the bones of the middle ear, exiting via the petrotympanic fissure, and entering the infratemporal fossa. Within the infratemporal fossa, the chorda tympani ‘hitchhikes’ upon the lingual nerve.
The Facial Nerve (CN VII) - Course - Functions - TeachMeAnatomy
WebIt 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 … WebFeb 8, 2013 · Orbicularis oculi Definition It is a circular band of muscle that surrounds the eye. It is generally a sphincter muscle that lies in the tissue of the eyelid and performs a … bitter creek ranch red river nm
Review Sheet Chapter 13 Muscular System.pdf - 11/2/2024...
WebApr 12, 2024 · The orbicularis oris is a circular composite muscle that surrounds the mouth and forms the majority of lips. It consists of two parts; labial and marginal, with the border between them corresponding to the margin between the lips and the surrounding skin. Web11/2/2024 Axial Muscles Location Muscle Name Action Chewing Muscles Facial Muscles Neck Thoracic Cavity Abdominal wall • Add the following muscle names to the table and write the action Orbicularis oculi Temporalis External Intercostal Masseter Orbicularis oris Trapezius Diaphragm Zygomaticus Sternocleidomastoid Axial Muscles and their ... WebAug 8, 2024 · The corrugator supercilii muscles (CSM) play a major role in elevating the medial segment of the eyebrow, depressing the lateral portion of the eyebrow and are responsible for producing vertical frown lines.[1] The corrugator (or corrugator supercilii) muscles are a pair of muscles located at the medial end of the eyebrow. data sheet physics ocr