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Neck ( (anterior scalene (suprascapular artery seatbelt for phrenic n), c5…
Neck
anterior scalene
suprascapular artery seatbelt for phrenic n
c5
dorsal scapu;ar n
C6
C7
C8
middle scalene
phrenic n anterior to ant scalene
Fascia
Carotid sheath lateral to cervical ganglia
vagus, most posterior
internal jugular v
carotid a
Investing
Everything
pretracheal
#
visceral compartment
prevertebral fascia
#
axillary sheath anastesia for UE
tumor
look contralaterally fibromyosis coli
SCM shortening/constriction
speech lowers
external laryngeal branch impinged
hard to breath in
recurrent laryngeal
lung cancer
Triangles
Borders: Posterior belly digastric, sternohyoid, SCM
Contents
Scalene
brachial plexus
thyrocervical trunk
transverse cervical goes w/ spinal accessory
:
seatbelt for phrenic nerve & anterior scalene
suprascapular a
#
supra . & infraspinatus
Digastric
anterior belly superior to myohyoid
Posterior belly
deep hypoglossal canal nerve goes to tongue deep ant to external carotid
myohyoid deep to anterior digastric
submandibular gland
Tongue
somatic muscle
somites
Pharynx
constrictor muscles
larynx
epiglottis
true vocal cords abducted/opened by
posterior crico aritynoid muscle keeps it open so you can breathe in posterior to pharynx
somatic muscle
inferior laryngeal n
recurrent laryngeal n
omohyoid
cervical ganglia retropharyngeal medial to carotid sheath