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Name origin course, insertion, function, and dysfunction of UVULAR MUSCLE of the soft palate.
- 1. origin--posterior nasal spine
- 2. course--downward and horizontal
- 3. insertion--tip of the uvula
- 4. function--shortens the soft palate; elevates the uvula
- 5. dysfunction--leaves midline groove in the soft palate
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Name origin course, insertion, function, and dysfunction of LEVATOR VELI
PALATINI muscle of the soft palate.
- 1. origin--base of the skull
- 2. course--down, forward and medial
- 3. insertion--soft palate at the midline
- 4. function--raises the soft palate; principal muscle of soft palate closure
- 5. dysfunction--failure of velopharyngeal closure
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Name origin course, insertion, function, and dysfunction of the TENSOR VELI PALATINI muscle of the soft palate.
- 1. origin--pterygoid notch
- 2. course--down, around hamulus and then medially
- 3. insertion--soft palate near the midline
- 4. function--tenses the soft palate from side to side; opens the Eustachian tube
- 5. dysfunction--failure to regulate the opening of the Eustachian tube
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Name origin course, insertion, function, and dysfunction of the PALATOGLOSSUS muscle (anterior faucial pillar) muscle of the soft palate.
- 1. origin--edges of the soft palate
- 2. course--inferiorly, curving lateral then medial
- 3. insertion--lower edge of the tongue
- 4. function--pulls the soft palate down or elevates the edges of the tongue
- 5. dysfunction--
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Name origin course, insertion, function, and dysfunction of the PALATOPHARYNGEUS muscle (posterior faucial pillar) muscle of the soft palate.
- 1. origin--posterior hard palate
- 2. course--inferior and lateral in curving shape
- 3. insertion--upper rim of the thyroid cartilage
- 4. function--lowers the soft palate and elevates the larynx---active during swallowing
- 5. dysfunction--
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Name origin course, insertion, function, and dysfunction of the SUPERIOR PHARYNGEAL CONSTRICTOR muscle of the soft palate.
- 1. origin--posterior midline pharyngeal raphe
- 2. course--circular around the pharynx
- 3. insertion--midline of anterior pharyngeal wall
- 4. function--narrows the pharynx; draws the posterior pharyngeal wall forward & aids in velopharyngeal closure
- 5. dysfunction--
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