Muscles of Soft Palate & Pharynx- Ch 31
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| 3 parts of the pharynx | nasal, oral, laryngeal
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| Fauces | space between palatine tonsils
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| Soft Palate muscles | Palatoglossus
Palatopharyngeal
Muscles of uvula
Levator veli palatini
Tensor veli palatini
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| Pharyngreal Constrictors | Superior pharyngeal constrictor
Middle pharyngeal constrictor
Inferior pharyngeal constrictor
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| Pharyngeal elevators & dilators | Palatopharyngeus
Stylopharyngeus
Salpingopharyngeus
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| Palatoglossus m. | Anterior faucial pillar
O: Posterior end hard palate & anterior end soft palate
I: posterolateral part of tongue
F: narrow space bw fauces
N: XI cranial n.
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| Palatopharyngeus m. | Posterior faucial pillar
*"McD" arches
O: posterolateral soft palate
I: pharyngeal constrictor m. & thyroid cartilage
F: elevates pharynx & larynx
narrows posterior faucial pillar
N: X & XI cranial n.
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| Muscles of uvula | O:posterior end hard palate
I: soft palate
F: shortens, broadens, changes contour of soft palate
N: X & XI cranial n.
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| Levator veli palatini | O: temporal bone & medial wall of auditory canal
I: posterior soft palate
F: elevates posterior soft palate
* can open auditory tube
N: X & XI cranial n.
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| Tensor veli palatini | O: medial pterygoid plate & lateral wal of auditory canal
I: posterior hard palate & anterior soft palate
F: tenses anterior soft palate
* can open auditory canal
N: V3 cranial n. ***
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| Superior pharyngeal constrictor | O: hamular process of medial pterygoid plate & pterygomandibular raphe & alveolar processes
I: median raphe & base of skull anterior to magnum foramen
F: constrict upper pharynx to force bolus into esophagus
N: X & XI cranial n.
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| Middle pharyngeal constrictor | O: upper hyoid bone & styloid ligament
I: median raphe
F: constrict upper pharynx to force bolus into esophagus
N: X & XI cranial n.
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| Inferior pharyngeal constrictor | O: thyroid cartilage of larynx
I: median raphe
F: constrict upper pharynx to force bolus into esophagus
N: X & XI cranial n.
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| Stylopharyngeus | *primary dilator of pharynx**
O: medial side of styloid process
I: lateral pharyngeal wall & thyroid cartilage of larynx
F: dilates pharynx, lifts pharynx in swallowing
N: IX cranial n. ***
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| Salpingopharyngeus | O: auditory tube in nasal pharynx
I: palatopharygeus m. & lateral pharyngeal wall
F: dilates pharynx, lifts pharynx in swallowing
N: X & XI cranial n.
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| Soft palate & pharynx part of _________ system(s) | digestive & respiratory
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| Speech muscles | levator veli palatini & muscles of uvula
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