Fig. 85. — Trichina spiralis. A, encysted form in muscle of host; B, female; C, 

 male, bh, connective tissue envelope; cy t cyst; de, ejaculatory duct; f, em 

 bryos; _/, fat globules; h, testis; m. f, muscle fibre; oe, pharynx; ov, ovary; 

 wo, gonopore; zk, cell masses in intestine. (From Lang's Comparative 

 Anatomy, after Claus.) 



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