Term
| what is the vertebral prominens? |
|
Definition
| long and palpable spinous process of C7 |
|
|
Term
| what are the branches of the subclavian artery? |
|
Definition
“VITamin C and D”
•Vertebral – gets brain, spinal cord
•Internal thoracic
•Thyrocervical trunk
oInferior thyroid, suprascapular, transverse cervical, ascending cervical
•Costocervical trunk
•Dorsal scapular artery |
|
|
Term
| through what does the vertebral artery enter the skull? |
|
Definition
| through the foramen magnum at C1 |
|
|
Term
| what are other names for C1 and C2? |
|
Definition
|
|
Term
| what allows for yes and no movements? |
|
Definition
yes - atlanto-occipital joint
no - atlanto-axial joints |
|
|
Term
what are the suprahyoid muscles?
innervated by what? |
|
Definition
trigeminal (CN V3) - mylohyoid, anterior digastric
facial nerve - posterior digastric, stylohyoid |
|
|
Term
| what are the infrahyoid muscles? innervation? |
|
Definition
Sternohyoid
Sternothyroid
Omohyoid
Thyrohyoid
innervated by motor portion (ansa cervicalis) of cervical plexus.
except thyrohyoid - C1 directly innervates. |
|
|
Term
| sternocleidomastoid, action and innervation |
|
Definition
flexes neck or turns face when acting unilaterally.
innervated by accessory nerve (CN XI) |
|
|
Term
| What is muscular and spasmodic torticollis? |
|
Definition
muscular - fibrous tissue tumor grows in SCM or SCM is torn in birth --> abnormal muscle contractions
spasmodic - neuro disorder of abnormal tonicity of SCM and/or traps |
|
|
Term
what is the cutaneous muscle of the neck?
action, innervation |
|
Definition
platysma, pulls lip angles inferiorly and tenses neck skin.
innervated by facial nerve (CN VII) |
|
|
Term
| what are the three layers of deep cervical fascia? |
|
Definition
investing layer (surrounds traps, SCM)
pretracheal layer (hyoid to thorax, muscular and visceral layers)
prevertebral layer (surrounds deep back and scalene muscles and becomes axillary sheath) |
|
|
Term
| what is in the carotid sheath? |
|
Definition
| common carotid artery, internal jugular vein, and vagus nerve |
|
|
Term
what is between the prevertebral and buccopharyngeal fascia (of pretracheal fascia?
significance? |
|
Definition
retropharyngeal and danger spaces, separated by the alar fascia.
major pathway for spread of infection between neck and thorax. |
|
|
Term
| borders of the anterior triangle? |
|
Definition
| inferior border of mandible, midline of neck, and anterior border of SCM |
|
|
Term
| borders of the posterior triangle? |
|
Definition
| posterior border of SCM, anterior border of traps, and clavicle |
|
|
Term
| what forms the floor of the mouth? |
|
Definition
|
|
Term
| what nerve overlays the carotid sheath? |
|
Definition
|
|
Term
| what are the branches of the external carotid artery? |
|
Definition
S: Superior thyroid artery
A: Ascending pharyngeal artery
L: Lingual artery
F: Facial artery
O: Occipital artery
P: Posterior auricular artery
S: Superficial temporal artery
M: Maxillary artery |
|
|
Term
| what nerves are in the posterior cervical triangle? |
|
Definition
| accessory nerve, sensory branches of cervical plexus, and brachial plexus |
|
|
Term
| what does the external jugular vein come from? (two veins) |
|
Definition
| posterior auricular and retromandibular veins |
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