Aortic arch aneurysm. The aortic arch is the segment of aorta between the inominate artery and subclavian artery. This segment gives off the arteries to the brain, neck, face, and upper extremities. It connects the ascending aorta to the descending aorta, crossing from the front part of the chest to the back.
Australian Aboriginal Flag The Australian Aboriginal Flag is an official flag of Australia, along with the Australian National Flag and the Torres Strait Islander Flag.The Australian Aboriginal Flag is well recognised as the flag of the Aboriginal peoples of Australia.ustralian Aboriginal Flag The Australian Aboriginal Flag is an official flag of Australia, along with the Australian National Flag and the Torres Strait Islander Flag.
The official flag is the tricolour without coat of arms. The ratio of the official flag is 1:2. The tricolour in 2:1, 3:2 and 2:3 is used also. The tricolour with coat of arms can be used too. This flag was in use in 1848 - 1849, 1867 - 1919, 1919 - 1949 and 1956 - now.