Orbicularis oris action Study guides, Class notes & Summaries

IUPUI Anatomy Yard Exam 3 Questions & Correct Answers Origin - ANSWER : proximal Insertion - ANSWER : distal Buccinator Action - ANSWER : compresses cheeks Buccinator Origin&Insertion - ANSWER : Origin- alveolar processes of maxilla and mandible opposite the molar teeth Insertion- Blends into fibers of obicularis oris Mentalis Action - ANSWER : elevates, everts, and protrudes lower lip Mentalis Origin&Insertion - ANSWER : Origin- Incisive fossa of mandible Insertion- Skin of chin...

Facial Muscles Anatomy SUU Test Questions and Answers orbicularis oris action - Answer- primarily closes and protrudes lips (kiss face) orbicularis oculi action - Answer-closes the eyelid risorius action - Answer-pulls corner of lips laterally zygomaticus (major and minor) action - Answer-raises corner of mouth (smiling) temporalis action - Answer-elevates and retracts mandible masseter action - Answer-elevates mandible what is the innervation of most facial muscles? - Answe...

Endomysium - Answer-thin sleeve of loose connective tissue around each fiber Perimysium - Answer-thicker layer of connective tissue that wraps fasicles fascicles - Answer-bundles of muscle fibers wrapped together Epiysium - Answer-surrounds entire muscle fascia - Answer-sheet, band prime mover (agonist) - Answer-muscle producing most of the force during a particular action synergist - Answer-muscle that aids the prime mover antagonist - Answer-muscle that opposes the action of the prime m...

Orbicularis Oculi Ξ -:- Action: eye closure Innervation: facial nerve (CN VII) Temporalis Ξ -:- Action: Elevates mandible, closes jaw Innervation: trigeminal nerve (CN V, mandibular branch) Orbicularis Oris Ξ -:- Action: mouth closure: closes lips, protrudes lips forward, presses lips against teeth Innervation: facial nerve (CN VII) Zygomaticus major/minor Ξ -:- Action: pull corners of lips upward Innervation: facial nerve (CN VII) Risorius Ξ -:- Action: pulls the corners...

Orbicularis Oculi - Action & Innervation -:- Action: eye closure Innervation: facial nerve (CN VII) Obicularis Oris - Action & Innervation -:- Action: mouth closure: closes lips, protrudes lips forwards, presses lips against teeth Innervation: facial nerve CN VII Zygomaticus major/minor: Action & Innovation -:- Action: pull corners of lips upward Innervation: facial nerve CN VII Risorius: action & innervation -:- action: pulls the corners of the mouth posteriorly (grin or grimac...

IUPUI Anatomy Yard Exam 3 All Answers Correct Origin Insertion proximal distal Buccinator Action compresses cheeks Buccinator Origin&Insertion molar teeth Origin- alveolar processes of maxilla and mandible opposite the Insertion- Blends into fibers of obicularis oris Mentalis Action elevates, everts, and protrudes lower lip Mentalis Origin&Insertion Insertion- Skin of chin Orbicularis Oris Action Origin- Incisive fossa of mandible compresses, purses lips (closes ...

_biod_151___exam_6 Exam 6 The origin is the bony site of attachment that is stationary during the movement. The insertion of a muscle is the bony site of attachment that is moved by the muscle contraction The action of the muscle is what effect is produced by the muscle’s contraction. The innervation is the peripheral nerve that supplies a muscle with the message from the brain. Muscles of Facial Expression Orbicularis oculi Action: eye closure Innervation: facial nerve (CN VII) ...

5.1 Anatomy of the Muscular System: Introduction & Muscles of the Head, Neck, and Trunk ● Skeletal muscles under conscious control of body ○ Brain sends message through spinal cord, which attaches to muscle and then action is performed ● Peripheral nerves ○ Carry signal from CNS to specific muscle destination in order for movement to occur ● Messages from CNS to muscle called motor actions ● Nerves carry info from external environment to the CNS, called sensory input ● Te...

Prosthodontics (ADC) Exam Questions And Answers (Updated And Verified) "86. The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthe...

Prosthodontics (ADC) Exam Questions And Answers (Updated And Verified) "86. The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthe...