Anterior Triangle NVB Flashcards
Which nerves can be found in the carotid triangle?
CN XI
CN XII
Which branches does the vagus nerve give off in the carotid sheath?
Carotid branch
Internal and external branches of superior laryngeal nerve
What arteries are the CCAs branches of?
Right - brachiocephalic trunk
Left - aorta
What spinal level is the bifurcation of the CCA?
C3/4
What is the carotid sinus?
Dilation at bifurcation of common carotid containing baroreceptors in wall of ICA
Which nerve innervates the carotid sinus and body?
Carotid sinus nerve from CN IX
What is the carotid body?
Small organ that houses chemoreceptors located at the bifurcation of the CCA
Which information does the solitary nucleus recieve?
Taste
Sensation from carotid body and sinus, middle ear, viscera
What is a landmark for C3/4?
Superior border of the thyroid cartilage
Which branches of the ECA are terminal branches?
Superficial temporal
Maxillary
What is the internal jugular vein a continuation of?
Sigmoid sinus
Which veins join to form the external jugular?
Posterior auricular
Retromandibular
Which two veins join to form the brachocephalic vein?
IJV
SCV
Where does EJV drain?
SCJ
How do the anterior jugular veins communicate?
Jugular venous arch
