Lymphatics II

Question 1

describe the parenchyma of the spleen

Answer 1

• red pulp
  
  • cords of cells (cords of Billiroth)
  • sinusoids (capillaries)
• white pulp
  
  • thick accumulation of lymphocytes
  • lymphatic nodules - germinal centers that decrease with age
  • also called Malpighian corpuscles/splenic nodules

Question 2

describe white pulp

Answer 2

• splenic artery divides into branches, which run along the capsule–capsular artery
• these branch off and run through trabeculae–trabecular arteries
• from the trabecular arteries, branches arise and run through the interior of parenchyma–central arterioles