Unfiltered lymph fluid drains into a nearby lymph node where any pathogen or piece of pathogen is quickly detected by a dendritic cell - a type of antigen-presenting cell that serves up pieces of anything in destroys to other immune cells.

未经过滤的淋巴液注入邻近淋巴结，任何病原体或者它的一部分被树突状细胞迅速发现；树突状细胞是一类抗原呈递细胞，将任何有侵袭性物质的碎片呈递给其他免疫细胞。