Fig. 2. Representative sections (  A and  B ) (ba; 800 μm) and enlargements of the lateral white matter and meninges (  B and  E × 60) and middle and dorsal root ganglia/roots (  C and  F × 60) from the approximate spinal levels of drug delivery in an animal receiving epidural saline (  A, B, C : dog 5176794; 2 ml of saline) or epidural etanercept (  D-F : dog 5031911; 6 mg/2 ml). Box inserts in  A and  D show approximate areas from which the lower figures are enlarged. Sections are paraffin embedded and stained with hemtatoxylin and eosin.