SPLEEN AND ITS FUNCTION

The spleen is the largest organ in the lymphatic system& it can widen or narrow depending on the body’s need.

It is an important organ for keeping the body fluids balanced, but it is possible to live without it but those without spleen may be more susceptible to infection.

 

The spleen is located under the ribcage and above the stomach in the left upper side of the abdomen. A spleen is soft and generally looks purple. It is made up of two different types of tissues (red & white tissue).

The red pulp tissue filters the blood and gets rid of old or damaged red blood cells.

The white pulp tissue consists of immune cells (T & B lymphocytes) and helps the immune system to fight against infections. The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. Old red blood cells are recycled in the spleen, and platelets and white blood cells are stored there

 

Size:

  • A spleen is the very small & its size is approximately 1x3x5x7x9x11 rule
  • An adult spleen measures around 1 inch by 3 inches by 5 inches
  • It weighs around 7 oz
  • It is located between the 9th and 11th ribs

 

Function

 

The spleen acts as a blood filter; it controls the amount of red blood cells and blood storage in the body, and helps to fight infection. If the spleen detects potentially dangerous bacteria, viruses, or other microorganisms in the blood, it along with the lymph nodes creates white blood cells called lymphocytes, which act as defenders against microorganisms.  The lymphocytes produce antibodies to kill the foreign microorganisms and stop infection to spread.  The blood flows into the spleen, red blood cells must pass through narrow passages within the organ. Healthy blood cells can easily pass, but old or damaged red blood cells are broken down by large white blood cells. The spleen will save any useful components from the old blood cells, including iron, so they can be reused in new cells. The spleen can increase in size in order to store blood. The organ can widen or narrow, depending on the body’s needs. At its largest, the spleen can hold up to a cup of reserve blood.

By – Deputy Director- : Dr. Rashmi Dhingra
UCBMSH Magazine – (YouthRainBow)
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