290 PERMOID SYSTEM. 





actually perforated by foramina for the passage of the 

 hairs, the nerves, blood-vessels, exhalents, absorbents, &c. 



Q. What texture does the chorion most resemble? 



#. In its appearance in certain parts, in its serving for 

 the insertion of muscles, in its melting gradually into gela- 

 tine, and in some other respects, it resembles the fibrous 

 tissue. 



Q. On which surface of the chorion do eruptive diseases 

 form? 



#. On the external altogether. Phlegmon forms in the 

 cellular substance beneath the chorion; the small-pox, 

 erysipelas, &c. are found on the exterior face. 



Q. What then are the functions of the chorion ? 



t/?. Being intended neither for sensation nor circulation, 

 it serves to protect and defend the body. 



b. Of the Reticular Texture. 



Q. What do you understand by this? 



*fl. It is a capillary net-work of vessels on the exterior 

 of the chorion, forming with the papillae a layer between 

 the chorion and epidermis. 



Q. What fluids are contained in this reticular texture? 



*#. Those which give the colour or teint to the indivi- 

 dual. 



Q. What proves that this teint is foreign to the chorion 

 and epidermis? 



/?. These two having the same colour in whites and 

 blacks. 



Q. Is the reticular texture ever renewed after once be- 

 ing destroyed? 



#. It is not; cicatrices are white in all persons. 





