Muscles- mastication, the face, the palate, and suprahyoid
Help!
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| Name the Muscles of Mastication | 1.Temporalis
2.Masseter
3.Medial pterygoid
4.Lateral pterygoid.
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| A:Elevates/closes mandible. O: Zygomatic arch. I: mandible- lateral surface of angle, ramus. N: Trigeminal, V. | Masseter
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| A: Elevates/closes mandible, works with another muscle. O: medial surface of lateral pterygoid plate of sphenoid. I: medial surface of angle of madible. N: Trigeminal, V. | Medial (internal) Pterygoid
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| A: Depressor/opener of mandible; protrudes mandible; permits side-to-side movement of mandible. O: Great wing of sphenoid and lateral surface of lateral pterygoid plate. I: Neck of condyle process of mandible and TMJ. N: Trigeminal, V | Lateral (external) Pterygoid
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| A:Elevates/closes mandible and retracts mandible. O: Temporal fossa. I: coronoid process of mandible. N: Trigeminal, V. Can feel bulge when clench jaw. Cause of some headaches. | Temporalis
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| Muscle(s) that elevates or close the mandible | Temporalis, Masseter, Medial (internal) pterygoid.
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| Muscle(s) that retracts mandible | Temporalis
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| Muscle(s) that depresses or open mandible | Lateral (external) pterygoid
(also anterior belly of digasrtric, mylohyoid, geniohyoid)
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| Muscle(s) that protrudes mandible | Lateral pterygoid
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| muscle(s) that permits side-to-side movement of mandible | Lateral pterygoid
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| Name the Outer circular (horizontal) muscles of the pharynx. | - Superior constrictor
- Medial constrictor
- inferior constrictor
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| Name the inner longitudinal (vertical) muscles of the pharynx. | - Salpingopharyngeous
- Stylopharyngeous
- Plaltopharyngeous
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| Muscle that forms the nasopharynx and oropharynx. Aides in swallowing by propelling the bolus and helps close the VP port. | Superior Pharyngeal Constrictor
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| Muscle that is partially made up of the cricopharyngeous. | Inferior Pharyngeal Constrictor
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| Muscles that work together for rotary chewing. | Medial and lateral pterygoids
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| Which nerve innervates the muscles of mastication? | CN V- Trigeminal
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| Name the cranial nerves important for innervating the muscles of swallowing. | CN V- Trigeminal
CN VII- Facial
CN IX- Glossopharyngeal
CN x- Vagus
CN XII- Hypoglossal
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| Which group of muscles contribute to structure and elevate the larynx during swallow? | Suprahyoid Muscles:
Mylohyoid, Digastric, Geniohyoid, stylohyoid,
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| Which muscle is fan-shaped and known for making the floor of the mouth (FOM)? | Mylohyoid (while geniohyoid is the "table runner")
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| Which muscles are responsible for big movements of the tongue? | Extrinsic lingual muscles: Genioglossus, Hyoglossus, Styloglossus, Palatoglossus
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| Which muscle has 2 bellies and a bend in it? One belly pulls hyoid up and forward before swallowing, while the other belly pulls hyoid back after swallowing. | Digastric
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| Which extrinsic lingual muscle is also known as the anterior faucil pillar? | Palatoglossus
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| Which muscles are responsible for velar movement? | Velar muscles:
Levator Veli Palatini, Musculus Uvulae, Palatoglossus, palatopharyngeous
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| Which muscles is the largest velar muscle; most responsible for velar elevation? | Levator Veli Palatini
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| Which velar muscle is the pressure equalizer- regulates the eustachian tube? | Tensor Veli Palatini
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| What muscles are responsible for precise movements of the tongue? | Intrinsic tongue muscles:
- superior longitudinal muscle
- inferior longitudinal muscle
- transverse muscle
- verticle muscle
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| Which muscles are responsible for movement of the lips and cheeks? | Muscles of the face:
-Obicularis oris
-zygomaticus minor
-Lavator labii superior
-Zygomaticus major
-Levator anguli oris
-Depressor labii inferior
-Mentalis
-Risorius
-Buccinator
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| Which muscle flattens the cheek and holds food in contact with teeth? | Buccinator
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