Fig. 7From: Fabrication and application of dimyristoyl phosphatidylcholine biomaterial-based nanocochleates dry powder inhaler for controlled release resveratrol deliveryIn vivo tissue toxicity study of RES-DPI and RES-NC-DPI in male Wister albino rats after intra-tracheal administration. The histopathological examination of tissue sections of the lung and trachea was done at a magnification of 40xBack to article page