Human Anatomy
5th Edition
ISBN: 9780073403700
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 11, Problem 11.2.9AYLO
Summary Introduction
To write:
About the temporalis, masseter, medial pterygoid and lateral pterygoid are the four muscles of chewing.
Introduction:
Muscle is a bundle or band of fibrous tissue present in a human or animal body. It is soft tissue. It can contract and move in preserving the position of body parts. Muscles play a role in the production of force and motion. They are mainly responsible for sustaining and shifting posture, locomotion.
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Students have asked these similar questions
Which muscle inserts into the side of the tongue, and depresses and retracts the tongue
The three large muscles on the posterior side of the thigh are collectively known by the colloquial name of _____ muscles.
Muscles of Mastication
Origin
Insertion
Action
Masseter*
Temporalis
Medial Pterygoids
Lateral Pterygoids
Temporalis
Lateral
pterygoid
Orbicularis
oris
Medial
pterygoid
Masseter
Buccinator
Masseter
pulled away
(a) Muscles of mastication, superficial
(b) Muscles of mastication, deep
Chapter 11 Solutions
Human Anatomy
Ch. 11.1 - What is meant by the innervation of a muscle? Why...Ch. 11.1 - Prob. 2BYGOCh. 11.2 - Of the muscles you have studied so far, name three...Ch. 11.2 - Name two muscles that elevate the upper lip and...Ch. 11.2 - Name the four paired muscles of mastication and...Ch. 11.2 - Distinguish between the functions of the...Ch. 11.2 - List the prime movers of neck extension and...Ch. 11.3 - What muscles are eaten as “spare ribs”? What is...Ch. 11.3 - Prob. 7BYGOCh. 11.3 - Prob. 8BYGO
Ch. 11.3 - Name a major superficial muscle and two major deep...Ch. 11.3 - Define perineum, urogenital triangle, and anal...Ch. 11.3 - Name one muscle in the superficial perineal space,...Ch. 11 - Prob. 11.1.1AYLOCh. 11 - Prob. 11.1.2AYLOCh. 11 - Prob. 11.2.1AYLOCh. 11 - Prob. 11.2.2AYLOCh. 11 - Prob. 11.2.3AYLOCh. 11 - Prob. 11.2.4AYLOCh. 11 - Prob. 11.2.5AYLOCh. 11 - Three muscles of the cheek, chin, and anterior...Ch. 11 - The difference between the intrinsic and extrinsic...Ch. 11 - Four extrinsic tongue muscles-the genioglossus,...Ch. 11 - Prob. 11.2.9AYLOCh. 11 - Prob. 11.2.10AYLOCh. 11 - Prob. 11.2.11AYLOCh. 11 - Four muscles of the infrahyoid group-the omohyoid,...Ch. 11 - Prob. 11.2.13AYLOCh. 11 - Prob. 11.2.14AYLOCh. 11 - Prob. 11.2.15AYLOCh. 11 - Prob. 11.2.16AYLOCh. 11 - The diaphragm and the three layers of intercostal...Ch. 11 - Prob. 11.3.2AYLOCh. 11 - Prob. 11.3.3AYLOCh. 11 - Prob. 11.3.4AYLOCh. 11 - Prob. 11.3.5AYLOCh. 11 - Prob. 11.3.6AYLOCh. 11 - Prob. 11.3.7AYLOCh. 11 - The boundaries of the perineum; its two triangles;...Ch. 11 - Prob. 11.3.9AYLOCh. 11 - Prob. 11.3.10AYLOCh. 11 - Prob. 11.3.11AYLOCh. 11 - Prob. 11.3.12AYLOCh. 11 - Prob. 1TYRCh. 11 - Prob. 2TYRCh. 11 - Which of these is not a suprahyoid muscle?...Ch. 11 - Prob. 4TYRCh. 11 - Prob. 5TYRCh. 11 - Prob. 6TYRCh. 11 - Prob. 7TYRCh. 11 - Prob. 8TYRCh. 11 - A muscle that aids in chewing without moving the...Ch. 11 - Prob. 10TYRCh. 11 - Prob. 11TYRCh. 11 - Prob. 12TYRCh. 11 - Prob. 13TYRCh. 11 - Prob. 14TYRCh. 11 - Prob. 15TYRCh. 11 - Prob. 16TYRCh. 11 - Prob. 17TYRCh. 11 - Prob. 18TYRCh. 11 - Prob. 19TYRCh. 11 - Prob. 20TYRCh. 11 - Prob. 1BYMVCh. 11 - Prob. 2BYMVCh. 11 - Prob. 3BYMVCh. 11 - Prob. 4BYMVCh. 11 - Prob. 5BYMVCh. 11 - Prob. 6BYMVCh. 11 - Prob. 7BYMVCh. 11 - State a meaning of each word element and give a...Ch. 11 - Prob. 9BYMVCh. 11 - Prob. 10BYMVCh. 11 - Prob. 1TOFCh. 11 - Prob. 2TOFCh. 11 - Prob. 3TOFCh. 11 - Prob. 4TOFCh. 11 - Prob. 5TOFCh. 11 - Prob. 6TOFCh. 11 - Prob. 7TOFCh. 11 - Prob. 8TOFCh. 11 - Prob. 9TOFCh. 11 - Prob. 10TOFCh. 11 - Name one antagonist of each of the following...Ch. 11 - Name one synergist of each of the following...Ch. 11 - Prob. 3TYCCh. 11 - Remova of cancerous lymph nodes from the neck...Ch. 11 - Prob. 5TYC
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- The latissimus dorsi muscle taking origin from spinous processes T7-T12 vertebrae and spinous processes of the lumber vertebrae and iliac crest , this muscle insertion into intertubercular sulcus and inervation by thoracodorsal nerve * T/Farrow_forwardeurosis Muscles of Facial Expression Origin Insertion Action Occipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Oris Frontal belly -Epleranius Corrugator supercilI Occipital belly Orbieularie oouli Levater labil superioris Temporalis Zygomatieus minor and major Prontal belly of epioranius (raised eyebrows/wrinkled forehead) Corugator superoili (angry eyebrows) Orbicularis oculi (blink) Buccinator Masseter Risorius Sternocieidomastoid Orbieularis oris Mertalis Thapeziun Depressor labii interioris Splenius capitis Depressor anguli oris Platysma Zygomaticus major (smile) Orbicularis oris (pucker) Mentalis (pout) Platysma (tense neck) (b) Superficial museles of the head and neck, left lateral view (a) Actions of select facial musclesarrow_forwardDifferences in the muscularis externa as you descend the esophagus and give the function of each structure.arrow_forward
- The muscle sends a tendon deep to (though!) the bony arch of our cheek that we call the zygomatic arch. digastric masseter O temporalis mylohyoidarrow_forwardThe muscle pulls the scalp anteriorly and posteriorly epicranius orbicularis oculi O orbicularis oris O zygomaticusarrow_forwardOrigin and Insertion of frontal belly, occipital belly, pectoralis major, latissiumus dorsi, deltoid, biceps brachii, rectus adbominis, gluteus maxiumus, tensor fasciae latae, quadriceps femoris, hamstrings , gastrocnemius, external intercostals, and internal intercostals.arrow_forward
- which of the following muscles has the most dramatic effect of changing the shape of the soft palate? 1- medial pterygoid 2-levator veli palatini 3- thyrohyoid 4- hyoglossusarrow_forwardMuscles That Aid in Swallowing (Associated with the Hyoid) Origin Insertion Action Digastric* Mylohyoid* Sternohyoid* Thyrohyoid Sternothyroid* Anterior bely Mylohyoid Stylohyeid- -Digastrie Posterior bely Hyoid bone Omohyeid- (perior bely Stylohyoid (out Thyrohyoid Sternohyoid- -Thyroid cartage of the laryn Sternocieido- mastoid Thyroid gand Sternothyroid Omohyoid- (interior bely) (a) Buprahyoid and intrahyoid muscles superficial muscles ustrated on left, deeper muscles on right Extrinsic Tongue Muscles Origin Insertion Action Genioglossus Styloglossus Hyoglossus Palatoglossus (not in your book, see Visible Body)arrow_forwardWhich of the following is NOT a facial muscle? depressor labii inferioris orbicularis oris sternocleidomastoid zygomaticus majorarrow_forward
- Muscles of Facial Expression Origin Insertion Action Occipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Żygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Orisarrow_forwardFunction of lateral pterygoid musclearrow_forwardPoctoralis major Intercostal muscles Rib 6 (a) Sagittal section (b) Anterior view, partially sectionedarrow_forward
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