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Exam 3: Second Order Part 3
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Hyoglossus
Origin:
body and greater horn of hyoid bone
Hyoglossus
Insertion:
inferior aspect of lateral part of tongue
Hyoglussus
Action:
depresses/retracts tongue
Hyoglossus
Innervation:
CN XII
Styloglossus
Origin:
anterior border of distal styloid process; stylohyoid ligament
Styloglossus
Insertion:
sides of tongue posteriorly, interdigitating w/ hypoglossus
Styloglossus
Action:
retracts/elevates sides of tongue to create trough for swallowing
Styloglossus
Innervation:
CN XII
Superior Constrictor
Insertion:
median raphe
Superior Contrictor
Innervation:
Vagus N
Middle Constrictor
Insertion:
median raphe
Middle Constrictor
Innervation:
vagus N
Inferior Constrictor
Thyropharyngeus
Origin:
thyroid cartilage
Inferior Constrictor
Thyropharyngeus
Insertion:
median raphe
Inferior Constrictor
Thyropharyngeus
Innervation:
vagus N
Inferior Constrictor
Cricopharyngeus
Origin:
cricoid cartilage
Inferior Constrictor
Cricopharyngeus
Insertion:
median raphe
Inferior Constrictor
Cricopharyngeus
Innervation:
vagus N
Tensor Tympani
Insertion:
handle of malleus
Tensor Tympani
Action:
dampen vibration of tympanic membrane
Tensor Tympani
Innervation:
CN V3
Stapedius
Insertion:
neck of stapes
Stapedius
Action:
prevent excessive movement
Stapedius
Innervation:
CN VII
External intercostal
Origin:
inferior border of rib
External intercostal
Insertion:
upper border of adjacent rib
External intercostal
Action:
elevates ribs; expands/enlarges thoracic cage; accessory respiratory mm
External intercostal
Innervation:
intercostal NN
Internal intercostal
Origin:
upper border of rib
Internal intercostal
Insertion:
lower border of adjacent rib
Internal intercostal
Action:
depress ribs; decrease volume of thoracic cage
Internal intercostal
Innervation:
intercostal NN
Innermost intercostal
Origin:
upper border of rib
Innermost intercostal
Insertion:
lower border of adjacent rib
Innermost intercostal
Action:
depress ribs; decrease volume of thoracic cage
Innermost intercostal
Innervation:
intercostal nn
Transverus thoracis
Action:
depress ribs
Transverus thoracis
Innervation:
intercostal nn
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Author
brau2308
ID
162631
Card Set
Exam 3: Second Order Part 3
Description
review of second order for exam 3
Updated
2012-07-16T02:20:24Z
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