14. Note the absence of the marginal zone around the T-cell area and the presence of the
erythrocyte-rich (pink) perifollicular zone surrounding both the T- and B-cell
compartment of the white pulp. Note the lack of detail on the structure of the red pulp
and the difficult discernable perifollicular zone in standard H&E section. (rp, red pulp; pf,
perifollicular zone)