Fig. 101. Aspergillus niger present in profusion in scraping from acutely inflamed ear 

 canal. The micro-organism was repeatedly cultured and no other cause could be found for the 

 disorder. A, numerous heads of various ages with radiating structures bearing masses of spores; 

 X 100. B and C, higher magnification to show structure of the head; X 220 and X 480. 



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