13! 



General Biology 



may then make its way into a corpuscle and repeat again the history 

 just described. 



All of the following details of the life-cycle of Plasmodium malariae 

 must be thoroughly understood and memorized by the student, because, 



Mature 

 Parasite, 



Morula 

 Stage, 



1^ 



/ J ^Penetration^ 

 4 of red blood * 

 j\^ cell by 

 ' f dporozoiies 



^oiit** 



C2> O 



^ <*&> *^ 



/, 



M&rozdtes® 9 ® V© 



/"• \ 



Macro- 

 gamei-sk : 



Phases Above Line Occur in Man ' ^^Jy 



<: y > 



Phases Mow Line Occur in Mosquito * 



% \ 



Microgametocyte 



rmation 



f 



^y which 

 I throws 

 out the, 

 j male^ 



Formation of 

 capsule in 

 stomach of mosquito C^okin ete^^^^]/J ^ Q 



Fig. 50. Life Cycle of Plasmodium Malariae. 



(1) Plasmodium malariae is the classic example of an animal-parasite 

 of tremendous importance to man; (2) it is our best known example 

 of a parasite which requires an intermediate host before being able to 

 carry infection ; (3) it presents an excellent illustration of the methods 



