

EPIDERMOID SYSTEM. 311 



Of the Internal Epidermis. 



Q. Where do. you find this? 



#. At the entrance of the mouth, of the anus, of the 

 urethra, and of the nasal fossa. As it passes along the mu- 

 cous surfaces, it gradually disappears; in the stomach it 

 disappears at the cardia. 



Q. Does it exist in the deep-seated mucous membranes? 



A. It does not; it is lost on them. 



Q. What are the properties of the mucous epidermis ? 



t#. They are the same with those of the external epi- 

 dermis. 



Q+ What are its uses? 



t#. The same with those of the external epidermis, to 

 defend the subjacent papillae. 





