The neck Flashcards
How many cervical vertebrae are there?
7
What is the vertebrae prominens?
C7
How do the transverse processes of C3-6 differ from the other C vertebrae?
Broader and cupped to support spinal nerves
Where re the prevertebral and paravertebral muscles found?
Prevertebral anteriorly, paravertebrally laterally
Describe location of the scalenus anterior
Lateral neck
Anterior tubercles C3-6 -> scalene tubercle of 1st rib
What passes between the scalenus anterior and the scalenus mass?
Subclavian vessels and nerves of the brachial plexus
What innervates the scalenes?
Ventral rami of C5&6
What other lateral muscles are there in the neck?
Scalene mass, splenius muscles, levator scapulae
What plexuses do the cervical nerves form?
C1-C4= cervical plexus C5-T1= brachial plexus
Where is the superior cervical ganglion of the sympathetic chain found?
Opposit C2 inbetween scalenus anterior and prevertebral muscles
What is the stellate ganglion and where is it found?
Inferior cervical ganglion of sympathetic chain fused with the 1st thoracic ganglion
In front of the neck of the 1st rib
How does sympathetic supply get into the head and brain?
Via the sympathetic plexus that travels with the internal and external carotid arteries
What are the rami and what does the phrenic nerve supply?
C3, 4&5, supplies diaphragm
Where does the carotid artery bifurcate?
At level of C3
What are the branches of the external carotid artery?
Some angry lady figured out PMS-
Superior thyroid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, maxillary, superficial temporal