Path
It begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. It travels down the posterior wall of the abdomen, anterior to the vertebral column. It thus follows the curvature of the lumbar vertebrae, that is, convex anteriorly. The peak of this convexity is at the level of the third lumbar vertebra (L3).
It runs parallel to the inferior vena cava, which is located just to the right of the abdominal aorta, and becomes smaller in diameter as it gives off branches. This is thought to be due to the large size of its principal branches. At the 11th rib, the diameter is 122mm long and 55mm wide and this is because of the constant pressure
Read more about this topic: Abdominal Aorta
Famous quotes containing the word path:
“If a man can write a better book, preach a better sermon, or make a better mouse-trap, than his neighbor, though he build his house in the woods, the world will make a beaten path to his door.”
—Ralph Waldo Emerson (1803–1882)
“The purifying, healing influence of literature, the dissipating of passions by knowledge and the written word, literature as the path to understanding, forgiveness and love, the redeeming might of the word, the literary spirit as the noblest manifestation of the spirit of man, the writer as perfected type, as saint.”
—Thomas Mann (1875–1955)
“They should own who can administer, not they who hoard and conceal; not they who, the greater proprietors they are, are only the greater beggars, but they whose work carves out work for more, opens a path for all.”
—Ralph Waldo Emerson (1803–1882)