Abstract
Summary
Adult mice of various strains, either sham-thymectomized or thymectomized, were irradiated. Sheep red blood cells (SRBC) were injected on day 15, and sera were taken on day 22. Sham-thymectomized ICR/Ha produced an almost normal level of hemolysin. C57 BL/6, DBA/2, BDF1, and CBA, however, could not produce the normal level, but generated decreased amounts of hemolysin even if the thymus was present. There was a difference between the rates of recovery of functions in the irradiated thymus in two substrains of CBA, CBA/St, and CBA/H.
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