Exam 4 Book Head/ Neck Flashcards
(22 cards)
Where does the subcutaneous tissue of the neck lay?
between the dermis of the skin and the investing layer of the deep cervical fascia
What level of vertebrae does the hyoid bone lay?
C3
What muscle is within the subcutaneous tissue of the neck?
the platsyma
What are the layers of the deep cervical fascia?
- Investing
- Pretracheal
- Prevertebral
What arteries arise from the external carotid artery?
- Ascending pharyngeal artery
- Occipital artery
- Posterior auricular artery
- Superior thyroid artery
- Lingual artery
- Facial artery
What is the only medial branch of the external carotid artery?
ascending pharyngeal artery
What is the carotid sinus?
a baroreceptor for the body
What is the carotid body?
a chemoreceptor
What are the deep structures of the neck called?
prevertebral muscles
What are the Prevertebral muscles?
- longus coli
- longus capitis
- rectus capitis anterior
- anterior scalene
What are the lateral vertebral muscles?
- rectus capitis lateralis
- splenius capitis
- levator scapulae
- middle scalene
- posterior scalene
What is the largest branch of the arch of the aorta?
the brachiocephalic trunk
What are the branches of the subclavian artery?
- vertebral artery, internal thoracic artery and thyrocervical trunk (from the 1st part)
- costocervical trunk (from the 2nd part)
- dorsal scapular artery (from the 3rd part)
What is the venous arch?
The site where the thoracic duct (left side) and the right lymphatic trunk (right side) drain lymph from the venous circulation
What do the emissary veins connect?
Connect the dural venous sinuses with veins outside the cranium
What is in the temporal region?
- temporal/ infratemporal fossae
- superior/ inferior to the zygomatic arch
What forms the roof of the temporal fossa?
temporalis fascia
What is the infratemporal fossa?
an irregularly shaped space deep and inferior to the zygomatic arch, deep to the ramus of the mandible and posterior to the maxilla
What type of joint is the temporomandibular joint?
a modified hinge type of synovial joint (permitting movement in 3 planes), articulation of head of mandible, articular tubercle of temporal bone and mandibular fossa
What prevents the posterior dislocation of the termporomandibular joint?
the postglenoid tubercle
What is the largest cartilage in the neck?
the thyroid cartilage
What is the only cartilage that forms a complete ring around the airway?
the cricoid cartilage
