Abdominal Aorta

Anatomy

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Data 2fimages 2fc1vvosxjtmcneyxhvccx 190218 s0 naz warda abdominal aorta intro
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Abdominal Aorta
Data 2fimages 2f2nuljjiirzrp1mkk16z0 190218 s1 naz warda anatomical relations
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Anatomical Relations
Data 2fimages 2fwjmn0mdpsv4tbkbkpzgw 190218 s2 naz warda divisions of primitive gut
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Divisions of Primitive Gut
Data 2fimages 2fv7ldyqrnttgru5dcujvq 190218 s3 naz warda branching arteries
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Branching Arteries
Data 2fimages 2fx9ldumxvtiepowpt4yym 190218 s4 naz warda celiac and mesenteric arteries
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Celiac and Mesenteric Arteries
Data 2fimages 2fblto76kfrsq3w0jz2aia 190218 s5 naz warda abdominal aortic aneurysm
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Abdominal Aortic Aneurysm

Lecture´s Description

The lecture abdominal aorta, following the course of anatomy, has been expansively been elaborated. All the significant aspects of this anatomical structure have been discussed. These include anatomical relations, divisions of the gut along with the various branches into which this structure divides into. Moreover, celiac and mesenteric arteries have also been conferred about. An important medical condition entitled abdominal aortic aneurysm has also been shed light upon.

Anatomical relations

The general relations of abdominal aorta are aortic arch, descending and abdominal in addition to infrarenal aorta. Abdominal aorta is located slightly left to the midline of body. This structure is also linked to superior and inferior vena cava. Abdominal aorta branches off into many arteries. Celiac artery, superior and inferior mesenteric artery, common iliac artery and lumbar artery are one of the few branches.

Divisions of primitive gut

The primitive gut has three major divisions viz foregut, midgut and hindgut. Major organs included in foregut are thymus, esophagus, stomach and lungs, however, the organs in the midgut are appendix, ileum, cecum and ascending colon. On the contrary, distal bowel and rectum are the components of the hindgut. Foregut begins with esophagus. Midgut begins at the cessation point of the foregut. Hindgut begins just before the left colic flexure.

Branching Arteries

Abdominal aorta branches off into various arteries. One of which is the common iliac artery, lying in lower abdomen, and the inferior phrenic arteries. Middle suprarenal arteries have two small divisions. In addition to that, renal arteries supply the kidneys and gonadal arteries supply the gonads. Other branches include median sacral and lumbar artery.

Celiac and Mesenteric Arteries

Celiac artery has three main divisions; left gastric artery, common hepatic artery and splenic artery. On the other hand, superior mesenteric artery has five further branches. Each supplying particular anatomical structures. Contrarily, inferior mesenteric artery supplies the hindgut and has three subdivisions namely; left colic artery, sigmoid and superior rectal artery.

Abdominal Aortic Aneurysm

This medical condition is the localized enlargement of the abdominal aorta. It demonstrates no symptoms unless it gets ruptured. Pain radiating to back legs, sweating, nausea and clamminess are a few manifestations. It can be contributed to by hypertension, and blood vessel disease or infections. This ailment can be treated via open abdominal or endovascular surgery.

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