Figure 9.

Photomicrographs of skin at day 14 after wounding: (A) uninfected and untreated wounded skin showing a scab (SC), granulomas (arrow), and edema (E); (B) infected and untreated wounded skin revealing a wide scab (SC) under which were granuloma (arrows) and hemorrhage; (C) infected and wounded skin treated with ZnO-NPs displaying a scab (SC) under which was regenerated epithelia (green arrow) of 1028 µm followed by regenerated dermis (DR); (D) infected and wounded skin treated with imipenem showing regenerated skin covered with a keratinized layer (K) of the thickened regenerated epidermis of 1425 µm (green arrow) (HE: 200×).