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Saladin Anatomy and Physiology The Unity of Form and Function Episode 6

Tham khảo tài liệu 'saladin anatomy and physiology the unity of form and function episode 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 10. The Muscular System I Text Saladin Anatomy Physiology The Unity of Form and Function Third Edition The McGraw-Hill Companies 2003 Chapter 10 The Muscular System 335 Frontalis Levator palpebrae -superioris Zygomaticus major and minor Levator anguli oris Levator labii superioris Depressor labii inferioris Frontalis Levator palpebrae superioris Nasalis Risorius Depressor labii inferioris Platysma Procerus Frontalis Orbicularis oris Levator palpebrae superioris Corrugator supercilii Figure 10.6 Expressions Produced by Several of the Facial Muscles. The ordinary actions of these muscles are usually more subtle than these demonstrations. Chapter 10 infants. To appreciate this action hold your fingertips lightly on your cheeks as you make a kissing noise. You will feel the relaxation of the buccinators at the moment air is sharply drawn in through the pursed lips. The buccinators also aid chewing by pushing and retaining food between the teeth. The platysma25 is a thin superficial muscle that arises from the shoulder and upper chest and inserts 25 platy flat broadly along the mandible and overlying skin. It depresses the mandible helps to open and widen the mouth and tenses the skin of the neck during shaving for example . Muscles of Chewing and Swallowing The following muscles contribute to facial expression and speech but are primarily concerned with manipulation of food including tongue movements chewing and swallowing table 10.3 . 10. The Muscular System I Text Saladin Anatomy Physiology The Unity of Form and Function Third Edition The McGraw-Hill Companies 2003 Chapter 10 Frontalis Procerus Orbicularis oculi Levator labii superioris- Zygomaticus minor- Zygomaticus major Risorius Depressor anguli oris Platysma Temporalis Occipitalis Zygomatic arch Masseter Levator scapulae Thyrohyoid Sternothyroid Omohyoid Inferior pharyngeal constrictor Galea aponeurotica Corrugator supercilii Nasalis Levator anguli oris Masseter Buccinator Orbicularis oris Mentalis Frontalis .