Anatomy Of The Spleen

The spleen is a soft organ with a thin outer covering of tough connective tissue called a capsule. Front view of the spleen.

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Blood exits this organ through the splenic vein.

Anatomy of the spleen. Spleen spleen organ of the lymphatic system located in the left side of the abdominal cavity under the diaphragm the muscular partition between the abdomen and the chest. The spleen varies in size and shape between people but its commonly fist shaped purple and about 4 inches long. The spleen is an organ in the upper far left part of the abdomen to the left of the stomach.

The outer surface of the spleen can be anatomically divided into two. The spleen also contains efferent lymphatic vessels which transport lymph away from the spleen. It is positioned under the rib cage below the diaphragm and above the left kidney.

Diaphragmatic surface in contact with diaphragm and ribcage. The 2 surfaces of the spleen are the diaphragmatic and visceral. Because the spleen is protected by the rib cage you cant easily feel it unless its abnormally enlarged.

The spleen is rich in blood supplied via the splenic artery. Visceral surface in contact with the other abdominal viscera. The gastric impression is for the fundus of the stomach which is the largest and most concave impression on the spleen.

In humans it is about the size of a fist and is well supplied with blood. The diaphragmatic surface is smooth and convex and the visceral surface is irregular and concave and has impressions. There is a handy rule to remember the rough dimensions of the spleen called the 1x3x5x7x9x11.

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