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20 Cards in this Set

  • Front
  • Back
Name the number of cervical spinal bones.
Which are atypical?
What is unique to this region?
C1 and C2
Transverse foramen and bifid spinous process
How many cervical spinal nerves are there?
What vertebra has the longest spinous process?
Describe characteristics of C1
Describe characteristics of C2
C1 is the ATLAS vertebra. It has neither a body or spinous process
C2 is the AXIS vertebra. No disc exists between 2 vertebra
In what motion does the Atlas move?
Where does it articulate?
What is this joint called
Cervical flexion/extension
Occipital condyles
Atlanto-occipital joint
"Yes" motion
Name the three ligaments that contribute to atlanto-occipital stability
Alar ligament, cruciform ligament, and transverse ligament
How does C2 attach with C1?
What motion does C2 create?
The DENS are a superior projection interacting with the Atlas. Atlanto-axis joint.
Rotation. "No" vertebra
Where is hyoid bone located?
Name three components of bone
Anterior portion of neck at C3-C4 region
Body, greater horn, and lesser horn
Where is the attachment of the Sternocleidomastoid muscle?
Where is the SCM insertion?
What nerve innervates this area?
Attaches at mastoid process
Inserts at Clavicle and Manubrium
The accessory nerve (CN XI)
Where is the Trapezius' attachments?
Where are the Trapezius' insertions?
What nerve innervates the Trap.
scapula spine and clavicle
Spinous processes and on skull
Accessory Nerve
Name the three types of Scalenes
Where do they insert and attach?
Where is phrenic nerve located compared to scalenes?
Posterior, middle, anterior
From cervical vertebra to 1st and 2nd rib
Across the anterior scalene
Name two muscles innervated by C1-C3 region of ansa cervicalis
What supplies innervation to sternothyroid?
What nerve innervates Thyrohyoid?
Sternohyoid and Omohyoid muscles
C2 and C3
What does thyrohyoid do
What is this group of muscles called?
Depresses hyoid during swallowing
Infrahyoid muscles
Name the 4 suprahyoid muscles
What innervates each?
Mylohyoid (CN V3), geniohyoid (C1 via CN XII), stylohyoid (CN VII), digastric (anterior and posterior belly--[facial nerve]
What does the Superficial fascia layer consist of?
What are the three Deep Cervical fascia and their components
Platysma, vessels, and nerves
1. Investing Layer: SCM and Trapezius
2. Pretracheal layer: Muscular and visceral layer
3. Prevertebral layer: between muscles and cervical region. Retropharyngeal space
Describe the four nerves of the cervical plexus and where they originate
1. Lesser occipital (C1)
2. Greater auricular (C2-3)
3. Transverse cervical (C2-3)
4. Supraclavicular (C3-4)
What is the looped formed from C1, C2 and C3
What is the function of this loop?
What provides motorized innervation to the tongue
Ansa cervicalis
Innervation to the infrahyoid muscles
CN XII. The hypoglossal nerve
What are the boundaries of the Posterior Triangle?
Name components of Post. Triangle
SCM, Trapezius and Clavicle
External Jugular artery, cervical plexus, cervical artery, cervical lymph, Subclavian artery and vein, supracaspular artery
What are the boundaries of the Ant. triangle?
What are the boundries of the paired muscular triangle?
What are the components of the muscular triangle
Median line of neck, anterior portion of SCM, and inferior border of mandible
Omohyoid muscle, SCM and Midline of neck
Sternothyroid, sternohyoid, thyroid, and parathyroid
What are the boundaries of the carotid triangle?
Name the 8 contents of the carotid triangle?
SCM, superior omohyoid, posterior digastric
Carotid sheath, external carotid artery, hypoglossal nerve, ansa cervicalis, CN XI, thyroid, larynx, pharynx
What are the borders of the mandibular triangle?
What are the 5 contents?
Anterior and posterior digastric and mandible
Submandibular gland, CN XII, submandibular lymph nodes, mylohyoid, facial artery and vein