SeNPs were encapsulated in starch as a natural stabilizer and a size-controlling agent The prepared SeNPs were characterized using different techniques. Blood and brain samples were collected from all rats and processed for biochemical, histopathological, and immunohistochemical investigations. In this study, we tested this hypothesis using 40 adult male albino rats that were randomly assigned into four groups (n = 10 per group): group I rats served as the untreated negative controls and were fed with standard diet and distilled water group II rats were orally treated with melamine (300 mg/kg body weight/d) group III rats orally received melamine (300 mg/kg body weight/d) and SeNPs (2 mg/kg body weight/d) and group IV rats received SeNPs only (2 mg/kg body weight/d) for 28 days. The biocompatibility, bioavailability, lower toxicity, and the large surface area of nanosized selenium relative to its other forms indicate that selenium nanoparticles (SeNPs) have a potential ameliorative effect against melamine-induced neurotoxicity. Melamine is a chemical substance used as a food adulterant because of its high nitrogen content it is known to induce neurotoxicity, thereby adversely affecting the central nervous system. He current study targeted to compare between the pancreas (exocrine part) of Japanese quail and Cattle egret. (pH1) and aldehyde fuchsin stains but the interlobular duct of the Japanese quail was negatively reacted. Histochemically, the interlobular duct of the Cattle egret positively reacted to alcian blue
Under electron microscopy, the acinar cells were of two types, electron-dense, andĮlectron-lucent acinar cells. The intralobular duct in the Cattle egret is characterized by the presence of Similar in both birds with minor differences. The Exocrine portionĬonsists of serous acini and intercalated duct, intralobular duct, interlobular duct, and main duct. Of dorsal, ventral, third, and splenic lobes, while in Cattle egret the pancreas is not lobulated. The pancreas of the Japanese quail composed In both birds, the pancreas is located on the right side of theĪbdomen between the ascending and descending loops of the duodenum. Histochemical, and ultrastructure studies were carried out. Pancreas was investigated in eight apparent healthy mature female Japanese quail and eight Cattle egret. Limited by availability of nest sites and prey thus, it often moves into cities, nesting on building ledges and feeding on pigeons.The current study targeted to compare between the pancreas (exocrine part) of Japanese quail and Cattle egret. Often near water, especially along coast, and migrants may fly far out to sea.
Over its wide range, found in wide variety of open habitats, from tundra to desert mountains. Open country, cliffs (mountains to coast) sometimes cities. Current populations appear to be stable or increasing. Has been reintroduced in many temperate areas in North America, and Arctic nesting populations have recovered somewhat also. Conservation statusĬoncentrations of pesticides from its prey caused widespread failure to reproduce during 1940s-1970s, and species disappeared from much of former breeding range. Although it is found on six continents, the Peregrine is uncommon in most areas it was seriously endangered in the mid-20th century because of the effects of DDT and other persistent pesticides. Regarded by falconers and biologists alike as one of the noblest and most spectacular of all birds of prey. One of the world's fastest birds in power-diving from great heights to strike prey, the Peregrine may possibly reach 200 miles per hour.