Fig. 3

Microscopic anatomy of the spleen (unrelated patient without infection, splenectomy due to injury) a Disseminated darker lymphatic follicle and periarterial lymphatic sheaths (PALS) (= ”white pulp”) are embedded in the surrounding erythrocyte rich “red pulp” (H&E stain). b Enlarged area of PALS (H&E stain). c B-cells (CD20 +) located more peripheral and d) T-cells (CD3 +) closer to the arteriole in the PALS. All size bars = 1 mm