TUMORS. 

 FIG. 361. 



393 



%j*e. 



'' " 



--" 



Section from a papillary cystoma of the ovary. (Birch-Hirschfeld.) Part of the wall sepa- 

 rating two cystic cavities is represented. From this wall, papillary ingrowths arise, 

 which project into the cavity of the cyst. They are composed of a delicate areolar tissue 

 covered with columnar epithelium similar to that lining the cysts. 



ures of the growth. Similar dermoid cysts occasionally develop 

 from the skin, but are usually lined with merely an epidermis, the 



FIG. 362. 



Gilomata of the brain. (Stroebe.) Composed of glia-cells of small type, with fine 



processes. 



