310 



TUMOES. 



o the mucous membranes (see Fig. 148) and some psammomata are forms 

 of fibroma, the former are often soft and oedematous. 



FIG. 147. SMALL PAPILLOMA OF THE SKIN. 



Occasionally, in the ducts of glands, fibrous polypi grow to an enor- 

 mous extent, their epithelial covering keeping pace in growth with their 



FIG. 148. -Mucous POLYP OF THE NOSE. 



The section shows the epithelial covering of the new growth, as well as its numerous blood-vessels and a 

 few mucous glands. 



