However they are not truly thymic hormones in that they are not restricted in occurrence to thymus and several are widely distributed throughout many different tissues .
When individual thymosins were isolated from Fraction 5 and characterized , they were found to have extremely varied and important biological properties .
They are not truly thymic hormones in that they are not restricted in occurrence to thymus and several are widely distributed throughout many different tissues .
When individual thymosins were isolated from Fraction 5 and characterized , they were found to have extremely varied and important biological properties .