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18 Cards in this Set
- Front
- Back
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What structure forms the posterior border of the posterior cervical triangle?
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trapezius
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What structure form the anterior border of the posterior cerrvical triangle?
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sternocleidomastoid muscle
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What forms the inferior border of the posterior cervical triangle?
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middle 1/3 clavicle
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What is this structure, what are the related structures?
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anterior scalene
phrenic nerve anterior surface superior trunk of brachial plexus between anterior and middle scalene Subclavian artery through gap as well innervated by C3-C7 |
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What structure is this, what are its relations
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Long thoracic nerve pierces the middle scalene to innervate serratus
dorsal scapular nerve pierces and travels in posterior direction |
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What muscle is this? What muscle is directly anterior to this muscle?
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splenius capitis
levator scapulae |
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What structure is this?
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lesser occipital nerve
part of cervical plexus C2-C3 passes behind ear to supply the scalp of the region |
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What is this structure? What are its companion structures?
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great auricular nerve
C2-C3 emerges behind SCM ascends on lateral surface travels with EJV and supplies upper neck and parotid region |
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What is this structure? Where does it originate? What does it supply?
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Trasverse cervical nerve
C2,C3 appears at posterior SCM courses anteriorly dividing into ascending/descending branches anterior neck |
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What structure is this?
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medial supraclavicular nerve
C3-C4 cerivcal plexus |
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What is this structure? What muscles does it innervate?
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spinal accessory nerve(CN 11)
emerges through jugular foramen enters on deep surface of SCM innervates SCM and trapezius travels superficial to levator scapulae and does not innervate it |
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What is this structure? What are the components?
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omohyoid inferior belly
also has superior belly observed above subdivides posterior triangle into occipital and subclavian triangles |
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What is this structure? What are the components?
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omohyoid inferior belly
also has superior belly observed above subdivides posterior triangle into occipital and subclavian triangles |
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What is this structure?
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transverse cervical artery
passes superficial to levator scapulae can give off a dorsal scapular in some instances |
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What is this structure?
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suprascapular artery
immediately deep and running parallell to clavicle |
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What is this structure?
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suprascapular artery
immediately deep and running parallell to clavicle |
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What is this structure?
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suprascapular artery
immediately deep and running parallell to clavicle |
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What structure is this? Where does this structure originate?
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Formed from cervical plexus
C3,C4,C5 ascends along anterior surface of anterior scalene clamped down by the transverse cervical artery and suprascapular artery |
