SCHISTOSOMA JAPONICUM 



28l 



organs where they produce inflammation, granulation tissue, and later 

 connective tissue. 



Liver. The eggs reaching this organ give rise to granulomata and 

 hence enlarged liver, and later, when connective tissue is formed, to 

 contraction. The surface is rough and irregularly granular, "parasitic 

 embolic cirrhosis " of Yamagiwa. 



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FIG. 182. Schistosoma japonicum : section through the gut of a Chinaman showing eggs. 



x 58. (After Catto.) 



Gut. The eggs in the mucosa and submucosa cause catarrh and 

 destruction of tissue or new growth. In the small intestine the eggs 

 are mainly in the serosa and subserosa, where they give rise to poly- 

 poid or branched growths. 



