Triangles of the Face Flashcards
infrahyoid muscles
- part of anterior triangle
- depress the hyoid bone, depress larynx, depress mandible
List the infrahyoid m.
Omohyoid, sternothyroid, sternohyoid, thyrohyoid
Nerve of the infrahyoids
ansa hypoglossi (cervicalis) from C1, C2, C3
Suprahyoid muscles
elevate the hyoid, elevate larynx, depress the mandible-ALL ANT Triangle
List the suprahyoid m.
post/ant digastrics, mylohyoid, geniohyoid, stylohyoid
nerve of post digastric
CN7 (ant triangle)
n. of ant digastric
CN5 (ant)
n. of myohyoid
CN5 (ant)
nerve of geniohyoid
CN1 (ant)
n. of stylohyoid
CN7 (ant)
triangle of carotid artery-and branches
anterior-includes internal (oxygen to brain) and external carotid (branches in neck, face, etc.) arteries
artery that does not branch in face
int carotid-goes to brain
triangle of ant. jugular vein
ant. triangle
ant. jugular vein drains into
internal jugular vein
triangle of internal jugular vein
anterior
triangle and branch of vagus nerve
ant traingle and parasympathetic
spinal accessory n. (CNXI) triangle and supplies what
post- motor supplies SCM and ends at trap in post
innervates SCM and Trap
Spinal accessory n.
hypoglossal nerve
ANT- CN12-supplies tongue
n. that supplies tongue
CNXII
Cervical Plexus Triangle
ANT. - spinal nerves C1-C5; and their branches
Spinal nerves C1-C5 triangle
ANT (Cervical Plexus)
larynx Triangle
ANT. –thyroid cartilage, cricoid cartilage (C-Shaped)
Thyroid gland Triangle
Ant. –2 lobes that lie over the trachea
Submandibular gland Triangle
ANT-salivary
Borders of Post Triangle
Ant- SCM
Post- Trap
Base/Inf-Clavicle
Floor-muscles NOT including the omohyoid (part of)
Triangle of Spinal Accessory Nerve
Ant (SCM) and Post (Trap) CNXI
Motor and Cutaneous branches of C1-C5 triangle
POST (branches are ant)
Phrenic nerve triangle and feeds what
POST- c3,4,5 keep the diaphragm alive! off to cervical plexus
keep diaphragm alive
C3,4,5
Subclavian vein and artery triangle
POST- vein is ant. to ant. scalene and artery is post to ant. scalene m.
Roots of Brachial Plexus Triangle -and include what
POST-C5-C8,T1
C5-C8, T1
roots of brachial plexus-found in post triangle
