First expression of T cell receptors in the thymus.
West LJ. 2002 Sep-Oct. Defining critical windows in the development of the human immune system. Hum Exp Toxicol 21(9-10):499-505.
Lymphoid tissue develops in Peyer’s patches and the appendix by week 15.
Duration: 4 weeks
West LJ. 2002 Sep-Oct. Defining critical windows in the development of the human immune system. Hum Exp Toxicol 21(9-10):499-505.
Gene rearrangement in the developing thymocytes begins, followed by T cell receptor expression then sequential expression of coreceptors.
West LJ. 2002 Sep-Oct. Defining critical windows in the development of the human immune system. Hum Exp Toxicol 21(9-10):499-505.