ALKHODAIR, KHALID M2022-05-182022-05-182009736https://drepo.sdl.edu.sa/handle/20.500.14154/3657The objectives of this study are to give more detailed study in different aspect of the camel duodenum which includes morphological, histological and immunohistochemical studies. The duodenum is not only an important part of the gastrointestinal tract, but also works as endocrine portion by secreting some hormones that play roles in the regulation of some organs. The general features of the duodenum of the camel were studied macroscopically, microscopically and immunohistochemically. Specimens fenThesis