Anatomy of the Spleen (preview) - Human Anatomy | Kenhub

What is a spleen?! This is a preview of our video tutorial on the human anatomy of the spleen. discusses the surfaces, borders and blood supply of this organ. Take a closer look here in our atlas: https://khub.me/sdvlt

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The spleen is the largest immunological organ in the body. It lies intraperitoneally on the left side of the abdomen inferior to the diaphragm.

The spleen is about 12 cm long and weighs 150 g. It is located in the left hypochondriac region between the ninth and twelfth rib where it is surrounded by a layer of fibroelastic connective tissue. It is almost completely covered by peritoneum except the hilum where the vessels and nerves pass through. A healthy, non-enlarged spleen does not extend beyond the rib cage and, thus, is not palpable. In newborns it has a rather lobulated structure which may persist until adulthood.

Its main function are immune responses and phagocytosis.

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Read more on the gross anatomy of the spleen, including notes on its function, innervation and blood supply in this free article: https://khub.me/7zgww

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