Flashcards
Muscles of facial expression
Flashcards do conjunto (22)
- 1Name the origin, insertion, innervation and action of the mentalisOrigin: Anterior surface of the body of the mandible
Insertion: Skin of the chin
Innervation: Marginal mandibular branch of the facial nerve
Action: Elevate and protrude the lower lip - 2Name the origin, insertion, innervation and action of the depressor labii inferiorisOrigin: Anterolateral surface of the body of the mandible
Insertion: Skin of the lower lip
Innervation: Marginal mandibular branch of the facial nerve
Action: Depress the lower lips - 3Name the origin, insertion, innervation and action of the depressor anguli orisOrigin: Anterolateral surface of the base of the mandible
Insertion: Modiolus of the mouth
Innervation: Marginal mandibular branch of the facial nerve
Action: Depress the angle of the mouth - 4Name the origin, insertion, innervation and action of the platysmaOrigin: Subcutaneous tissue
Insertion: Inferior border of the body of the mandible, Modiolus of the mouth, Skin of the lower lip
Innervation: Cervical branch of the facial nerve - 5Name the origin, insertion, innervation and action of the risoriusOrigin: Parotid fascia
Insertion: Modiolus of the mouth
Innervation: Buccal branch of the facial nerve
Action: Retract the angle of the mouth - 6Name the origin, insertion, innervation and action of the zygomaticus majorOrigin: Anterior surface of zygomatic bone
Insertion: Modiolus of the mouth
Innervation: Buccal branch of the facial nerve
Action: Elevate the angle of the mouth laterally - 7Name the origin, insertion, innervation and action of the zygomaticus minorOrigin: Anterior surface of zygomatic bone
Insertion: Skin of the upper lip
Innervation: Buccal branch of the facial nerve
Action: Elevates the upper lip - 8Name the origin, insertion, innervation and action of the levator labii superiorisOrigin: Infraorbital margin of the maxilla
Insertion: Skin of the upper lip
Innervation: Buccal branch of the facial nerve
Action: Elevates the upper lip - 9Name the origin, insertion, innervation and action of the levator labii superioris alaeque nasiOrigin: Frontal process of the maxilla
Insertion: Skin of the upper lip and alar carilage
Innervation: Buccal branch of the facial nerve
Action: Elevate the upper lip and wing of the nose - 10Name the origin, insertion, innervation and action of the procerusOrigin: Fascia aponeurosis covering the nasal bone
Insertion: Skin of the inferior forehead
Innervation: Buccal branch of the facial nerve
Action: Depression of medial end of eyebrows - 11Name the origin, insertion, innervation and action of the corrugator superciliiOrigin: Supraorbital ridges of the frontal bone
Insertion: Skin of the forehead
Innervation: Temporal branch of the facial nerve
Acion: Depress the eyebrows medially and inferiorly - 12Name the origin, insertion, innervation and action of the occipital belly of occipitofrontalisOrigin: Superior nuchal line of the occipital bone
Insertion: Epicranial aponeurosis
Innervation: Posterior auricular branch of the facial nerve
Action: Aids frontal belly with retraction of the scalp - 13Name the origin, insertion, innervation and action of the frontal belly of occipitofrontalisOrigin: Epicranial aponeurosis
Insertion: Orbicularis oris
Innervation: Temporal branch of the facial nerve
Action: Raise the eyebrows - 14Name the origin, insertion, innervation and action of the buccinatorOrigin: Alveolar processes of the mandible and maxilla
Insertion: Modiolus of the mouth
Innervation: Buccal branch of the facial nerve
Action: Press the cheek against the molar teeth when chewing - 15Name the origin, insertion, innervation and action of the levator anguli orisOrigin: Canine fossa of the maxilla
Insertion: Modiolus of the mouth
Innervation: Buccal branch of the facial nerve
Action: Elevate the angle of the mouth - 16Name the origin, insertion, innervation and action of the orbicularis orisOrigin: Median planes of maxilla/mandible
Insertion: Skin of the lip
Innervation: Buccal branch of the facial nerve
Action: Close and Protrude the lips - 17Name the origin, insertion, innervation and action of the nasalisOrigin:
Insertion:
Innervation: Buccal branch of the facial nerve
Action: Flares nostrils and compresses bridge of nose - 18Name the part of the orbicularis oculi that gently closes the eyelidsPalpebral part
- 19Name the part of the orbicularis oculi that firmly closes the eyelidsOrbital part
- 20Name the part of the orbicularis oculi that compresses the lacrimal sacLacrimal part
- 21Two out of three of the parts of the orbicularis oculi are innervated by the temporal branch of the facial nerve. Which part is innervated by the zygomatic branch of the facial nerve?Lacrimal part
- 22What is the origin and insertion of the orbicularis oculi?Origin: Medial orbital margin
Insertion: Skin around the margin of the orbit (+ lateral palpebral raphe)
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- Flashcards on the Origin, Insertion, Innervation and Actions of the muscles of facial expression.
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