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Theaortaisthelargestarteryinyourbody.Yourheartpumpsfreshoxygen-richbloodthroughyouraortatodeliveroxygenandnutrientstoallyourorgansandtissues.Youraortaisdividedintotwomainsections:thethoracicaortaandtheabdominalaorta.Thethoracicaortahasfourparts:theaorticroot,ascendingaorta,aorticarchanddescendingaorta.Thewallofyouraortais白癜风治疗方法最好白癜风诊疗规范