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Anatomy Q3

Arteries of the Head & Neck

branches from the brachiocephalic trunk right common carotid
2nd branch of the aortic arch left common carotid
AG: Along the medial border of the SCM. In the groove between the lateral border of the trachea & medial border of the SCM common carotids
AL: Begins at a point behind the sternoclavicular articulation & extends to the level of the superior border of the thyroid cartilage right common carotid
AL: Begins at the level of the 2nd costal cartilage at the highest point of the arch of the aorta, and extends to the level of the superior border of the thyroid cartliage left common carotid
the ___ common carotid is smaller & deeper left
LG: A line drawn from the sternoclavicular articulation to the anterior surface of the lobe of the ear common carotids
branches of the common carotids external & internal carotids
8 branches of the external carotid 1. facial 2. posterior auricular 3. ascending pharyngeal 4. superficial temporal 5. maxillary (external facial) 6. superior thyroid 7. lingual 8. occipital
4 branches of the internal carotid 1. ophthalmic 2. anterior cerebral 3. middle cerebral 4. posterior communicating
cerebral anastomoses Circle of Willis
9 arteries of the Circle of Willis - R&L internal carotids - R&L anterior cerebral - R&L posterior cerebral - R&L posterior communicating - anterior communicating
unites the brain's anterior & posterior blood supplies provided by the internal carotid & vertebral arteries Circle of Willis
Created by: leahmurphy