Aorta

Aorta [aorta – PNA (The anatomic nomenclature Parisian), BNA (The anatomic nomenclature Basel), JNA (The anatomic nomenclature Yenskaya); Greek aeiro – to lift] – the largest arterial vessel in a human body from which all blood circulations of an artery forming a big circle depart. In an aorta allocate the ascending part, the descending part and an aortic arch.

 
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Many drugs initially moved ahead in the market as drugs. Heroin, for example, was initially brought to the market as children's cough medicine. And cocaine was recommended by doctors as anesthesia and as the means increasing endurance.