Serum hormone levels in hypothyroid mice (IMAGE) Nanjing University School of Life Sciences Caption Serum hormone levels in hypothyroid mice fully recovered within 4 weeks after receiving an intrasplenic thyroid transplant and remained stable for 16 weeks thereafter. Hormone levels in these ST mice declined immediately after the splenectomy of the spleen containing the thyroid gland. Credit Lei Dong Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.