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. 2022 Sep 13;367:110179. doi: 10.1016/j.cbi.2022.110179

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Fig. 4 — Lung tissue and histopathology from each group: (A) Control; (B) I, [Infected]; (C) I + R, [Infected + Remdesivir]; (D) I + FEO [Infected + Formulated Essential Oil]; (E) I + PFEO (Infected + Prophylactic Formulated Essential Oil). 1. Dissected lung; 2. Pathological changes in lung parenchymal tissue; 3. Microscopic changes of the bronchiolar epithelium, lumen, submucosa, and peribronchiolar region. Red arrow indicate lung injury; Black arrows indicate inflammation; Green arrow indicate alveolar epithelial injury and Blue arrow indicate pneumonitis; in the histological images from respective groups.