The anatomy structure and histology feature in the Olfaction organ of African ostrich chick were carefully observed by gross anatomy, paraffin section and HE staing. The results showed that there were not keratosic nose liddes at the entrance of the external naris, the nasal cavity was divided into imperforate two by nasal septum.The posterior conchae were conneted with the middle conchae without cohering to nasal walls, it seemed to be a part of palinal elongation of the middle conchae by appearance. Olfac...