Figure 4

Photomicrographs of the anterior cross sections of control rat nasal cavity (a) compared to those administered the in situ gelling formula F27 (b) and the nanocomposite formula V6 (c).

Photomicrographs of the anterior cross sections of control rat nasal cavity (a) compared to those administered the in situ gelling formula F27 (b) and the nanocomposite formula V6 (c).