5/26 n/a for posterior cervicle tri Flashcards

1
Q

lesser occipital nerve

A
  • ar of C2-C3 cervical plexus
  • pass directly to skin
  • skin of superior posteriorlateral neck
  • scalp pos to ear
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2
Q

greater auricular nerve

A
  • ar of C2C3 cervical plexus
  • ascends vertically across SCM posterior to EJV
  • skin on mandible ans inf lobe
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3
Q

suprascapular nerve

A
  • arise from sup trunk of brachial plexus
  • run across lateral cervical region
  • supply supraspinatus and infraspinatus
  • send articular branch to sj
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4
Q

transverse cervical nerve

A
  • ar C2C3 cervical nerve

- around SCM, deep to EJV and platysma

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5
Q

suprasclavicular nerve

A
  • ar C3C4 cervical plexus
  • emerge as trunk under SCM and cross clavicle
  • supply skin of neck and skin over shoulder
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6
Q

dorsal scapular nerve

A
  • ar C5 brachial plexus

- supply levator scapula and rhomboids

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7
Q

phrenic nerves

A
  • C345
  • forms ant scalene muscle
  • lie anterior to subclavian arteries and posterior to subclavian vein
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8
Q

external jugular vein

A
  • near angle of mandible by union with retromandubular vein with pos auricular vein
  • cross SCM, deep to platysma, pierce investing layer
  • descend to inf and terminates in subclavian vein
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9
Q

transverse cervical artery

A
  • run superficially and laterally across phrenic nerve and anterior scalene
  • superior to clavicle
  • cross brachial plexus
  • passing deep to traps
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10
Q

suprascapular artery

A
  • from TCA
  • pass inferolaterally across anterior scalene and phrenic nerve
  • cross subclavian artery and cord of brachial plexus
  • pass posterior to clavicle
  • supply muscles on posterior scapula
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