Concept H: Circulation of Head and Neck Flashcards
The two arteries that are main sources of blood supply to head.
Common carotid artery
Vertebral artery
The left common carotid artery branches from…
Arch of aorta
The right common carotid artery branches from…
Brachiocephalic truck/artery
Contents of carotid sheeth are?
Vagus nerve
Internal jugular vein
Common carotid artery
The vertebral arteries branch from?
Subclavian artery
What do vertebral arteries pass through?
Transverse foramena of C6-C1 and foramen magnum
What are the three branches of arch of aorta? Right to left (left to right from pp)
Brachiocephalic artery/trunk
Left common carotid artery
Subclavian artery
What will the common carotid artery always be with?
Internal jugular vein
Vagus nerve
The common carotid artery on both sides branches out into …
Internal carotid artery
External carotid artery
The internal carotid artery supplies blood to…
Inside the cranium
The external carotid artery supplies blood to…
Outside the cranium
Which of these branches? Internal carotid or external carotid?
External carotid
What artery passes through the carotid canal?
Internal carotid artery
All blood travels to the brain via…
2 carotid canals
2 vertebral arteries
Name the structure in the brain which the left and right internal carotid arteries supply.
Cerebral arterial circle (circle of Willis)
The left and right vertebra arteries join together to from the…
Basilar
How do vertebral arteries enter the skull?
By passing through foreman Magnum
What areas do the external carotid artery supply?
Face, neck, scalp and thyroid
What are the two terminal branches of external carotid artery?
Maxillary A.
Superficial temporal A.
Did you see the facial vein or facial artery on the cadaver?
Facial vein
What does the facial nerve stem from?
External carotid artery
What are the arteries by the back of head and behind ear called?
Occipital artery
Posterior auricular artery
What supplies blood to the dura mater?
Middle meningeal Artery
Where does the middle meningeal Artery pass through?
Foramen spinosum