For fan theories and medical deep-dives, check out the episode discussions on Reddit's r/anime .
They act as messengers, presenting antigens to T cells to trigger their activation and transition into Effector T Cells. Hataraku Saibou (TV) Episode 3
Feeling useless, the Naive T Cell flees and meets the Dendritic Cell . The Dendritic Cell provides the necessary "motivation" (activation) for the Naive T Cell to mature into an Effector T Cell , allowing him to join the battle with renewed power. For fan theories and medical deep-dives, check out