Neonatal thymectomy leads to -: (A) Decreased size of germinal center, (B) Decreased size of paracoical areas, (C) Increased antibody production by B cells, (D) Increased bone marrow production of lymphocytes
Answer is B. Thymectomy in neonates results in a modest but significant decrease in T-lymphocyte levels, but there is no compromise in immune function.T-cells origin from paracoical areas Reff: www.mayoclinic.com