抄録
We have proved on the corelation between proportional weights of hormonal organs and the ages of rats (Wistar-King A and Wistar strain) .
Results are stated in the following: a negative corelative coefficient is shown by proportional weights of the hormonal organs of the upper part of the neck, a positive corelative coefficient is shown by the organs of abdominal part and no corelation of the thymus is recognized. It seems that these corelative coefficients are different by the locations of organs in the body.
