according to the ultrastructural study , the cellular composition of pf in the germ-free rat lymph nodes and classified into five cell types , 1 ) lymphocytic cells ( small and medium-sized lymphocytes ) , 2 ) large lymphocytes ( = large germinal center cells ) , 3 ) reticulum cells with desmosomes ( red ) , 4 ) desmodendric cells ( ddc ) , and 5 ) histiocytes .
C0011703
desmosomes
C0007634
cells