Posterior Cervical Region Flashcards
Where does the carotid sheath arise and terminate?
Cranial base to the root of neck
What is the carotid sheath?
Covering of the carotid artery part of pretracheal layer
What is the lesser supraclavicular fossa?
The space that inferiorly separates the 2 heads of the SCM
What forms the borders of the posterior cervical region?
Posterior SCM and anterior trapezius
What forms the roof of the posterior cervical triangle?
Investing layer of the deep cervical fascia
What forms the floor of the posterior cervical triangle?
Prevertebral layer of the deep cervical fascia
Splenius capitis, levator scapulae, middle scalenes, posterior scalenes
Where is the cervical plexus?
C1-C4 (anterior rami)
Where is the brachial plexus?
C5-T1 (anterior rami)
Where is the supraclavicular nerve root?
C3-C4
What are the 3 layers of the deep cervical fascia?
Investing, pretracheal, prevertebral
What is the purpose of deep cervical fascia?
Provide slipperiness for passage over each other
Where is investing layer located?
Around entire neck
Where is the pretracheal layer located and what does it enclose?
Anterior neck
Encloses infra hyoid muscle, thyroid, trachea, and esophagus
What does prevertebral layer enclose?
Vertebral column, scalenes, longus colli, deep cervical muscles
What are the 2 heads of the SCM and what are they separated by?
Sternal and clavicular heads
Separated by lesser supraclavicular fossa
