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The abdominal aorta is clinically divided into 2 segments: The suprarenal abdominal or paravisceral segment, inferior to the diaphragm but superior to the renal arteries. The Infrarenal segment, inferior to the renal arteries and superior to the iliac bifurcation.
The adrenal arteries are arteries in the human abdomen that supply blood to the adrenal glands.. The adrenal glands receive input from three different arteries on both the left and right sides of the body:
It is a portion of the aorta commencing at the upper part of the base of the left ventricle, on a level with the lower border of the third costal cartilage behind the left half of the sternum. Right coronary artery
More rarely, it may originate directly from the aorta. [1] It may give off a small branch to the kidney. [1] There may be two or three inferior suprarenal arteries in some people. [1] Its diameter changes significantly with age. [4]
The inferior phrenic artery is a bilaterally paired artery of the abdominal cavity which represents the main source of arterial supply to the diaphragm. Each artery usually arises either from the coeliac trunk or the abdominal aorta, however, their origin is highly variable and the different sites of origin are different for the left artery and right artery.
Before reaching the hilus of the kidney, each artery divides into four or five branches. The anterior branches (the upper, middle, lower and apical segmental arteries) lie between the renal vein and ureter, the vein being in front, the ureter behind. The posterior branches, which are fewer in number and include the posterior segmental artery ...
The IMA arises from the anterior aspect of the abdominal aorta. [2] [3]Its origin is situated at the L3 vertebral level, [2] [3] below the origins of the two renal arteries, [3] 3-4 cm above the aortic bifurcation, [3] [2] at the level of the umbilicus, and posterior to the inferior border of the horizontal (III) part of the duodenum.
The aorta (/ eɪ ˈ ɔːr t ə / ay-OR-tə; pl.: aortas or aortae) is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries (the common iliac arteries).