INTESTINA L SCHISTOSOMIASIS 



26= 



The proglottides number from 800 to 900, and are longer than 

 broad. 



T^r 



A, Tama saginata ; B, Dipyliditiin ; C, Davaiuea ; D, Hynienolepis ; F,, Bothriocephaliis 



F, Diplogonoportis giandis. 



The genital pore is lateral and irregularly 

 alternate. 



Adults live solely in the human intestine 

 and may exist there for years. 



The cysticercus develops in the flesh of the 

 pig which, if eaten undercooked, infects man. 

 This is popularly known as " measly pork." 



Rarely is man infected with the Cysticercus 

 cellulosa^ which, when present, appears in the 

 brain, eye, muscle, liver and lung. One or 

 more of these organs. This infection is caused 

 by contaminated water or food. 



The adult causes colicky pains and diarrhoea 

 alternating with constipation. There are, 

 emaciation and anaemia 

 is infection by the Cysticercus 



The greater danger 



T^NIA SAGINATA. 



Perhaps this is the largest tapeworm in 



A piece of the muscle 

 of the ox, with three speci- 

 mens of Cysticercus bovis. 

 Natural size. (After Oster- 

 tag.) 



man. It is called the unarmed "beef-worm." 



The adult only occurs in man and the cystic stage in cattle. It is 



common in Africa and Asia. 



