Spleen, Biology


  • Largest lymph gland, also with myeloid tissue is an important specialized reticuloendothelial organ in vertebrates, as the site of erythropoiesis.
  • Splenic tissue is distinct as white pulp and red pulp with blood spaces and lymph channels (= cords of Billroth) within it.
  • In adult mammals the myeloid tissue degenerates the red pulp only stores RBC and white pulp forms macrophages and lymphocytes.
  • In mammals it is a flat elongated structure attached to hind border of stomach.
  • Its connective tissue capsule also traverses inside as septa (trabaculae) and divide the lnner mass into several incomplete lobules, which are better developed in mamma]s than in frog.
  • Called as graveyard of RBC and blood bank Ist.


Posted Date: 10/2/2012 3:23:58 AM | Location : United States

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