

254 MUCOUS SYSTEM. 



Q. What are fungi of the mucous membranes? 



/?. They are thickenings of the mucous parietes. 

 Q. What general division of the diseases of this tissue 

 do you make? 



/?. The idiopathic and symptomatic. 



Q. What are the diseases of the conjunctiva? 



A. Ophthalmia and fungus. 



Q. Name the diseases of the pituitary membrane. 



*ft. They are coryza, ozoena, polypi, abscess in the 

 malar antrum, and inflammation of the Eustachian tube, 

 and haemorrhage. 



Q. What renders the pituitary membrane so liable to 

 haemorrhage? 



*# Its great vascularity. 



Q. How do you divide polypi of this membrane? 



#. Into the vesicular and hard; the last is most dan- 

 gerous. 



Q. Is the mucous membrane of the mouth prone to in- 

 flame? 



e/#. It is less so than any of the mucous surfaces. 



Q. What persons are most liable to aphthse? 



#. Children, and those who at any age have chronic 

 diseases. 



Q. There is another disorder to which the mucous 

 membrane of the mouth is little disposed, what is it? 



t/2. Haemorrhage rarely proceeds from it. 



Q. What active sympathy does this mucous surface 

 maintain? 



*fl. That of the tongue with the stomach. 



Q. To what are the foul tongue and the black tongue 

 owing? 



