Blood Vessels Flashcards
Which vessel is the main venous drainage for the head and neck?
Internal jugular vein
On the right the common carotid and subclavian arise from where?
Brachiocephalic trunk
Where does the inferior thyroid artery branch from?
Thyrocervial trunk from subclavian
What structure does the vertebral artery ascend the neck in?
Transverse foramina of C1-6
Which arteries form the circle of wilis?
vertebral and internal carotid artery
Where does common carotid bifurcate?
Superior border of the thyroid cartilage
What types of receptor are in the carotid sinus and carotid body?
Sinus = baroreceptors, body = chemoreceptors
What is the cavernous sinus?
Plexus of thin walled veins where internal carotid artery passes through
Name 2 branches of the Opthalmic artery
Supratrochlear artery & Supra-orbital artery
How many branches does the external carotid artery have?
8 (incl. 2 terminal branches)
Lacerations to which scalp structure can cause profuse bleeding?
Epicranial aponeurosis
Name 2 branches of the maxillary artery
Middle meningeal & sphenopalatine
Which area is a common site for nose bleed?
Kiesselbach area
What is the significance of the pterion?
It is where many of the skull bones join, a thin part of bone
Where do deep facial veins drain into ?
Pterygoid venous plexus
