ANTHROP 3504 Lecture Notes - Lecture 8: Suprascapular Artery, Lingual Artery, Pericardium
26 Oct 2017
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Lower extremity blood has to fight against gravity. Skeletal muscles of legs help to propel blood back to heart: valves help this process, prevents backflow. Supplies left side of head and brain: carotid arteries and blood supply to brain, common carotids ascend neck, each divides into internal carotid and external carotid. Anthro 3504: carotid sinus = base on internal carotid artery consisting of baroreceptors and chemoreceptors, internal carotid = no branches; directly into skull, enter skull via carotid canals, external carotid = supplies outside of skull. Facial artery: occipital artery, maxillary artery, auricular artery (ear) Thyrocervical trunk: supplies head, neck and upper back, 4 branches, large anastomoses in shoulder region, suprascapular artery of thyrocervical trunk of subclavian, subscapular artery of axillary artery. Internal thoracic artery: supplies pericardium and anterior call of chest, gives rise to anterior intercostal arteries, between each rib, vertebral arteries, supplies brain and spinal cord, axillary artery.
