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Spleen: Various Functions In The Human Body
What is spleen
The spleen is a glandular organ located in the upper left region of the abdominal cavity. This organ has contact with the pancreas, diaphragm and left kidney.
This organ is not considered an endocrine gland as it does not produce secretions, however, in the case of certain diseases, this organ releases a hormone that affects the production of red blood cells (red blood cells) in the bone marrow.
In the fetus, the main function of this organ is the manufacture of red blood cells and leukocytes (white blood cells). After birth this function is interrupted. However, this function can be restarted later if a disease appears that weakens this function in the bone marrow.
This organ acts as an integral part of the lymphatic and vascular system, occupying a unique position that allows it to eliminate pathogenic microorganisms and destroy anomalous, altered or aged red blood cells. It also removes iron from red blood cell hemoglobin for later use by the body, as well as residual substances such as bile pigments for excretion, in the form of bile, through the liver.
The spleen makes antibodies against various types of blood cells and infectious microorganisms. In some mammalian animals (except humans), it stores red blood cells and in cases of bleeding releases them into the circulatory system. In humans, it acts as a reservoir of blood and other blood cells.