Health Sciences 2300A/B Study Guide - Final Guide: Zygomatic Arch, Pterygoid Processes Of The Sphenoid, Trigeminal Nerve

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

Document Summary

Frontalis raising and wrinkles forehead (draws scalp anteriorly) 2 bellies (frontalis & occipitalis) w/ tendon in the middle: not always attached to bone, can attach to a kin, fascia (different tissues) Playtsma shaving muscles: chest muscles to mandible. Buccinator chewing muscles; keeps food in between the molars. Facial nerve (cn-vii: arises in brainstem, enters the iam, exits the sm foramen. 5 main branches: temporal, zygomatic, buccal, mandibular, cervical. Bell"s palsy when you damage the facial nerve, your face melts" on that side: ex: jean chretien. Temporalis one of the largest muscles involved in chewing. Masseter- arguably one of the strongest muscles in the body. Muscle of the head and neck: the muscle is very close to the tmj therefore it has to be very strong, major closer of the jaw, origin- zygomatic arch. Buccinator involved in body facial expression and chewing: used to place food between your molars, except the buccinator is innervated buy the facial nerve.