Top 102 Master Degrees in Medicine 2017. A student may choose to pursue a masterâs degree after receiving their bachelorâs degree. This postgraduate program typically takes about two to three years to complete.
The spleen and the thymus are also lymphoid organs of the immune system. The tonsils are lymphoid organs that are also associated with the digestive system. Lymphoid tissues contain lymphocytes, and also contain other types of cells for support.
A lymphoid organ situated in the neck of vertebrates which produces T-lymphocytes for the immune system. The human thymus becomes much smaller at the approach of puberty. Example sentences. 1  Primary lymphoid organs in the thymus and bone marrow constitute the major site of lymphocyte development. lymphoid organ situated in the neck of vertebrates which produces T-lymphocytes for the immune system. The human thymus becomes much smaller at the approach of puberty. Example sentences. 1  Primary lymphoid organs in the thymus and bone marrow constitute the major site of lymphocyte development.