Hookworm, 

 Necator amerkanus, 

 from intestine 



Hookworm 

 embryo 



Whipworm, 

 Trichuris trkhiura, 

 from cecum 



Guinea worm, Dracunculus 

 medinensis, being wound 

 on a stick 



Figure 82. Some roundworms that live in man. 



157 



