Neck Flashcards
(30 cards)
Pos triangle borders
ant- SCM
Pos- trap
inf - clavicle
floor- 3 scalene m, splenius capitis, levator scapulae
occipital triangle of the pos. triangle
trap, SCM, omohyoid
omoclavicular triangle of pos triangle
omohyoidm clavicle, SCM
Vein that runs through pos triangle
ext jugular v
pos ascpect of the neck runs from vertebrae
C2-C7
arteries that run through posterior triangle
suprascapular, occipital, trans. cervical, 3rd part of subclavian
nerves going through pos. triangle
CN 11, Cervical plexus (C1-C4), Great auricualr, trrans cervical, suprascapular, supraclavicular, phrenic, brachial plexus
great auricular n ?
skin over angle of mandible, parotid, lower ear, mastoid process
supraclavicular n.? vs suprascapular n ?
C3, C4- skin over shoulder .. C5 andC6
action of platysma an innervation
tense skin of neck and depress mandible. CN7
Divions of the ant neck
muscular, carotid submandibular, submental
Infrahyoid m ?
sternohyoid,omohyoid, sternothyroid, thyrohoid
suprahyoid m ?
digastrics, sylohyoid, geniohyoid and mylohyoid
action and innervation of digastrics
elevate hyoid and depress mandible. CNV3(Ant. belly)..CN7(Posterior belly)
stylohyoid action and innervation
elevate hyoid. CN7
Mylohyoid action and innervation
CNV3. floor of mouth
submandibular triangle boundries
pos and ant digastric, inf border of mandible
Submandibular triangle content
subman fland and duct and CN12, Mylohyoid n
innervation of thyrohyoid
CN12
carotid triangle boundries
pos belly of digastric, SCM, Sup belly of omohyoid
content of carotid triangle
carotid sheath, deep cervical lymph nodes, cervical part of ganglionated
sympathetic trunk and cervical ganglia.
muscular triangle boundries
sup, bell of omohyoid, midline of neck, SCM
Muscular triangle content
4 infrahyoid mm. and neck viscera
submental triangle boundries
hyoid bone, ant. bellies of rt. and lt. digastric mm.,
mylohyoid m., symphysis menti of mandible