Health Sciences 2300A/B Study Guide - Final Guide: Oculomotor Nerve, Zygomatic Arch, Trigeminal Nerve

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 2300A/B
• Professor: Jamie Melling

Document Summary

Muscle fibers surrounding the opening of the mouth. Skin at corner of the mouth corner of the mouth pectoralis major mandible. Closes eye - winking/ blinking muscle smiling muscles whistling/ kissing muscle frowning muscle shaving muscle - tightens neck side to side jaw movement. Blends with the fibres of the orbicularis oris. Facial nerve 7 side to side jaw movement. Medial: elevates and protracts mandible, side to side. Depresses, protracts and moves mandible side to side. Function moves eye upwards and intorsion of the eye moves eye downwards and extorsion. Roof of the orbit tarsal plate of upper eyelid. Cricoid thyroid cartilages and median raphe of the pharynx. Superior constrictor pteryoid process of the sphenoid bone median raphe of the pharynx median raphe of the pharynx. Moves eye upwards and outwards raises upper eyelid and. Elevates larynx pharyx contricts pharynx - allows for food to be pushed downwards contricts pharynx contricts pharynx. Greater horn of the hyoid bone sternum hyoid.