WordNet
lymphoid tissue
n. tissue making up the lymphatic system [syn: lymphatic tissue]
Usage examples of "lymphoid tissue".
A second possibility arises from the fact that the thymus is composed of lymphoid tissue, very like that of the spleen, the tonsils, and the lymph nodes.
It has seemed possible, therefore, that the thymus shared the functions of such lymphoid tissue and, one way or another, combatted bacterial infection.
Well, in a nutshell, I believe that Transition is the result of an interaction between the slowdown in brain growth and the spurt-and-decrease in the amount of lymphoid tissue, both of which occur approximately at puberty.