solitary lymphatic follicles

solitary lymphoid nodules

[TA]
minute collections of lymphoid tissue in the mucosa of the small and large intestines, being especially numerous in the cecum and appendix.

sol·i·tar·y lym·phat·ic fol·li·cles

(sol'i-tar-ē lim-fat'ik fol'i-kĕlz)
Minute collections of lymphoid tissue in the mucosa of the small and large intestines, being especially numerous in the cecum and appendix.