Ex Vivo and In Vivo Characterization of Interpolymeric Blend/Nanoenabled Gastroretentive Levodopa Delivery Systems

Figure 4

(a) Images from dosed pigs’ stomach showing (i) mild lymphocytic aggregate in lamina propria interstitium and (ii) lymphoid follicle in deep lamina propria and submucosal edema. (b) Images from control tissue: (i) moderate lymphoplasmacytic interstitial lamina propria infiltration, higher magnification (×20); (ii) moderate lymphoplasmacytic interstitial lamina propria infiltration, lower magnification (×10); (iii) mild lymphoplasmacytic interstitial aggregated in the lamina propria.

(a)

(b)