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Dental Anatomy – Exam #2 Study Sheet Arteries and Veins -be able to define what an artery, vein and capillary is -learn the three tunics of an artery and vein and the structure of a capillary -arteries: common carotid, internal and external carotid, vertebral artery -see the flow chart summaries provided for the major arteries and veins -veins: vertebral vein, internal and external jugular, sinuses (inferior and superior sagittal sinuses, sigmoid sinus, transverse/lateral sinus) -Circle of Willis: anterior, middle and posterior cerebral arteries, anterior and posterior communicating arteries, basilar -also learn what each artery supplies -figures 6-1, 6-2, 6-3, 6-4, 6-5, 6-6, 6-7, 6-8, 6-9, 6-10, 6-11, 6-12 -tables 6-1, 6-2, 6-3 Nervous System -what are the two divisions of the nervous system? -how is the peripheral nervous system organized? -what is the role of the autonomic NS and what are its divisions? -learn the basic components of a neuron -what are the two major types of cells found in the nervous system? -what is a synapse? -what ions are involved in an action potential? how is an action potential generated? -what is an afferent nerve? what is an efferent nerve? what information do they conduct and in what direction -learn each cranial nerve – table 8-1 and figures 8-1 and 8-2 -are they motor, sensory or mixed? -what do they innervate and control? -what foramen do they emerge from? -for the trigeminal nerve – refer to the flow chart summary provided (figure 8-4 through 8-11) -what major structures do these branches innervate? -learn the divisions of the facial nerve and what they innervate (figures 8-12, 813) -what is the dental plexus? what branches contribute to this plexus? where can these plexi be found? Glandular Tissue -what is the difference between and exocrine and endocrine gland? -what types of secretions does an exocrine gland produce? -what are the major and minor salivary glands? -where are they found? -what are their ducts called? -where do they empty? -what type of secretions do they produce -what is the thyroid? what is it’s function? what hormones does it produce? -what are the parathyroid glands? what is it’s function? what hormones does it produce? -what is the thymus? what is it’s function? what hormones does it produce? -know table 7-1 and figures 7-1 through 7-5 BE ABLE TO IDENTIFY THESE STRUCTURES ON THE DIAGRAMS PROVIDED AT THE END OF EACH CHAPTER