What does the superior mesenteric artery branch off of?

What does the superior mesenteric artery branch off of?

The superior mesenteric artery provides oxygenated blood and nutrients to the intestines. These organs are part of the digestive system. The artery branches off of the aorta, which is the body’s largest blood vessel. Superior refers to the artery’s location above other arteries that supply the intestines.

What structures are supplied by the superior mesenteric artery?

The superior mesenteric artery, a direct branch of the abdominal aorta, supplies oxygenated blood to the cecum, ascending colon, and proximal two-thirds of the transverse colon.

What are the branches of the superior mesenteric artery and what areas do each of these branches supply?

The distal branches of the superior mesenteric artery (right colic, ileocolic, and middle colic) and the inferior mesenteric artery (sigmoid and left colic) supply the colon. They are also connected to each other by an intricate arterial arcade along the mesenteric border known as the Marginal Artery of Drummond.

What is SMA and SMV?

The smaller superior mesenteric vein (SMV) sign is a well‐known computed tomography (CT) parameter for acute superior mesenteric artery (SMA) occlusion. This CT sign is potentially beneficial for the early diagnosis of acute SMA occlusion; however, few reports have documented this sign.

What level is the IMA?

L3
In human anatomy, the inferior mesenteric artery, often abbreviated as IMA, is the third main branch of the abdominal aorta and arises at the level of L3, supplying the large intestine from the distal transverse colon to the upper part of the anal canal.

What does the IMA supply?

The inferior mesenteric artery (IMA) is a major branch of the abdominal aorta. It supplies arterial blood to the organs of the hindgut – the distal 1/3 of the transverse colon, splenic flexure, descending colon, sigmoid colon and rectum.

Where is celiac trunk?

aorta
The celiac trunk, also known as the celiac artery, is a short vessel that arises from the aorta and passes below the median arcuate ligament, just as the aorta enters the abdomen at the level of the T12 vertebra. The celiac trunk measures about 1.5cm to 2cm in length.

What is midgut volvulus?

Midgut volvulus is a condition in which the intestine has become twisted as a result of malrotation during. Malrotation of the intestine occurs when the normal embryologic sequence of bowel development and fixation is interrupted.

What does IMA feed?

FMA. 14750. Anatomical terminology. In human anatomy, the inferior mesenteric artery, often abbreviated as IMA, is the third main branch of the abdominal aorta and arises at the level of L3, supplying the large intestine from the distal transverse colon to the upper part of the anal canal.

Where does IMA start?

The IMA comes off the anterolateral aspect of the left side of the aorta. The takeoff is below the renal arteries and just above the bifurcation of the common iliac arteries, usually at L3.

What is IMA occlusion?

In mesenteric ischemia, a blockage in an artery cuts off blood flow to a portion of the intestine.