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Presented to:Dr.Mudasser Hafeez Awan

Azhar nazir kiani

Presented by:

Azhar Nazir Kiani

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Abdominal Aorta

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Abdominal Aorta:

The abdominal aorta is the largest artery in the abdominal cavity. 

It is part of the aorta. The abdominal aorta is a continuation of the thoracic

aorta beginning at the level of the T12 vertebrae.  It is approximately 13cm long and ends at the level of

the L4 vertebra. At L4, the aorta terminates by bifurcating into

the right and left common iliac arteries that supply the lower body

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Branches of Abdominal Aorta:

Celiac Artery Superior Mesenteric Artery Inferior Mesenteric Artery Common iliac Artery Inferior phrenic arteries Middle suprarenal arteries Renal arteries Gonadal arteries Median sacral artery Lumbar arteries

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Celiac Artery: Celiac artery  also known as the celiac trunk. It is the first major branch of the abdominal aorta.  It is 1.25 cm in length. There are three main divisions of the celiac artery, and each in turn has

its own named branches. Left gastric artery Common hepatic artery Splenic artery

Left gastric Artery supplies blood to stomach and esophagus. Common hepatic artery supplies blood to liver, pylorus of the stomach,

duodenum and pancreas. Splenic artery supplies blood to spleen.

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Superior Mesenteric Artery: The superior mesenteric artery (SMA) is a major artery of the abdomen.  It is usually 1 cm lower than the celiac trunk. It has 5 branches.

Inferior Pancreaticoduodenal Artery intestinal arteries ileocolic artery right colic artery middle colic artery

Inferior pancreticodudenal Artery supplies blood to head of the pancreas and to the ascending and inferior parts of the duodenum.

Intestinal arteries branches to ileum, branches to jejunum. ileocolic artery supplies last part of ileum. Right colic artery to ascending colon. Middle colic artery also supplies blood to colon.

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Inferior Mesenteric Artery:

It supplies arterial blood to the organs of the hindgut. It has three branches:

left colic artery sigmoid branches superior rectal artery

Left colic artery supplies blood to descending colon. Sigmoid branches supplies blood to sigmoid colon. Superior rectal artery supplies Rectus.

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Common iliac Artery: The abdominal aorta divides to form

the "common iliac arteries" in the lower abdomen.

These vessels supply blood to the pelvic organs, gluteal region, and legs.

Each common iliac artery descends a short distance and divides into an internal and an external branch. Azhar nazir kiani

Inferior phrenic arteries:

The inferior phrenic arteries are two small vessels.

These supply blood to the diaphragm. They may arise separately from the

front of the aorta, above the celiac artery.

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Middle suprarenal arteries

These are the two small vessels. The adrenal glands are supplied by middle

suprarenal arteries

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Renal arteries:

The renal arteries normally arise off the side of the abdominal aorta, below the superior mesenteric artery.

Renal arteries supply the kidneys with blood.

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Gonadal arteries:

It is also called testicular artery. It is the  branch abdominal aorta

that supplies blood to the testes. It is a paired artery, and supply each

testis separately.

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Median sacral artery:

The median sacral artery ( middle sacral artery) is a small vessel.

Its supplies blood to coccyx, lumbar vertebrae, sacrum.

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Lumbar arteries:

The lumbar arteries are arteries located in the lower back or lumbar region.

They are usually four in numbers. These supplies blood to Quadratus

lumborum.

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