436 NORMAL HISTOLOGY AND ORGANOGRAPHY. 



thelium, having two strata of nuclei, and represents 

 the upper expanded portion of the nasal duct. 

 This duct has a similar epithelium and opens into 

 the inferior meatus of the nose. Ciliated epithelium 

 has been described as being present in the nasal duct, 

 and also mucous glands in the lower parts. 



