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Structure of the spleen: want to learn more about it?

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Structure of the spleen

Learning objectives

After going through this study, you will be able to:

  1. Learn the location of the spleen and its relations with nearby organs.
  2. Identify the parts and the landmarks of the spleen.
  3. Get familiar with the structure and the main function of this organ.

Watch video

The spleen is a soft, delicate, fist-sized, intraperitoneal organ covered by a fibroelastic capsule. It is located in the left upper quadrant of the abdomen (left hypochondrium), at the level of the 9th to 11th ribs, posterior to the stomach and anterior to the left hemidiaphragm and the costodiaphragmatic recess. It plays an important role in the immune system, by participating both in the humeral and the cell-mediated responses.

After watching the following video you will learn everything you should know about the anatomy of the spleen, its internal structure, relations and neurovasculature.

Take a quiz

Test your knowledge of the spleen by taking the following quiz:

You can also challenge yourself with a quiz that covers all the major organs of the abdomen! Check the following custom quiz and test your knowledge in the abdominal organs.

Browse atlas

Recap everything that you have previously learned about spleen by going through our atlas gallery:

Summary

Key points about the spleen
Definition Intraperitoneal lymphatic organ found on the left side of the abdomen inferior to the diaphragm
Relations of spleen Superolateral: Diaphragm
Anteromedial
: Stomach
Posteroinferior
: Left kidney (and superior pole of the left suprarenal gland)
Inferior pole:
Left flexure of the colon
Neurovascular supply Arterial supply: Splenic artery
Venous drainage
: Splenic vein
Lymph
: Celiac node
Innervation
: Celiac plexus

Well done!

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Continue your learning

After learning the basics of the spleen anatomy, improve your knowledge with detailed study units about splenic microcirculation and histology:

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