Anterior And Posterior Neck Flashcards
What 4 categories make up the anterior neck
Muscular
Carotid
Submandibular
Submental
Posterior triangle lies posterior to what
Sternocleidomastoid muscle
What innervates the Platysma
Cervical branch of the facial nerve
Retromandibular vein lies
Anterior to the eat and posterior to the angle of mandible
What does the retromandibular vein empties into
External Jugular vein
External Jugular vein transverses the…
Sternocleidomastoid muscle and enters the posterior triangle of the neck
Where does the anterior Jugular vein lie
Along the midline of the neck
External jugular travels… empties into what..
Inferior, crosses over the scm and dives behind it and empties into the subclavian vein
What do the infrahyiod muscles attach and aid in
Attach to the hyoid bone
Aid in depressing and movements of the thyroid cartilage
When are the infrahyoid muscles active (3)
- vocalization
- swallowing
- mastication
What 4 muscles make up the infrahyoid muscles
-sternohyoid
- sternothyroid
-thyrohyroid
- superior belly of omohyoid
What innervates infrahyoid muscles? All except which muscle
Ansa Cervicalis
Thyrohyoid
(Suprahyoid muscles)
Anterior bellies of digastric muscle lie…
Over the top of the mylohyoid muscle
What does the nerve to mylohoid innervate
Anterior bellies of digastric muscle and the mylohyoid muscle
What comes froms the mandíbulas branch of trigeminal
Nerve to mylohyoid
Paired geniohyoid is.. and innervated by…
Deep to the mylohyoid and branch of C1
The hypoglossal nerve crosses…
Over the external carotid artery and under the poster belly
What is the Carotid Sheath and what does it condense around
Deep cervical fascia: common carotid artery, internal jugular vein and vagus nerve
Superficial branches pass…
They are the…
Posterior into the posterior triangle of the neck
Sensory
Deep branches pass..
They are..
Posterior and the anterior triangle of the neck
Motor
Motor branches consist of
Roots of the phrenic nerve and the Ansa Cervicalis
(Ansa Cervicalis)
Ventral root of
Superior root of
Inferior root of
C1-C3
C1-C2 that comes off of hypoglossal nerve
C2-C3
Ansa Cervicalis sits on what
Inferior root emerges from
Carotid sheath
Between the internal carotid artery and internal jugular vein
What are the branches of the Vagus nerve
Superior laryngeal nerve
Pharyngeal branch
Recurrent laryngeal nerve
What are the branches of superior laryngeal branch
Internal branch : external branch
When does the recurrent laryngeal nerve change name? And to what
When it gets to the larynx: inferior laryngeal
What lie deep to vagus nerve
Cervical sympathetic ganglion
Recurrent laryngeal nerves run..
On either side of the trachea and go deep to the thyroid
What are the three borders of the posterior neck
Anterior border is the posterior border of the Sternocleidomastoid
Posterior border is anterior border of trapezius
Inferior border is the clavicle
What are the 4 main sensory branches
Greater auricular
Lesser occipital
Transverse cervical
Supra clavicular
Where does CN XI leave and travel to
Where does it enter
Leaves the canal cavity and travels deep to the SCM
Enters the deep side of the trapezius
What lie deep to the deep fascia (5)
-Splenius capitis
-levator scapulae
- posterior scalene
- middle scalene
- anterior scalene
Transverse cervical artery branch into what branches
Superficial and deep branches
