Figure 2.

(a) Pancreas of control negative group showing normal pancreatic acini, Langerhans cells, and interductal glands. (b) Pancreas of control positive group showing mild degeneration of pancreatic acini cells with periductal inflammation, edema, and congestion. (c) Pancreas of Nigella sativa treated group showing improvement and degeneration of pancreatic tissues with nearly normal tissues. (d) Pancreas of propolis treated group showing restored pancreatic tissues to the normal with no evidence of inflammation in islets or around the large ducts. (H&E, ×200).