INFECTIVE MOSQUIToA 

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SCHIZOC-OMY 

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SPOROGOhY 



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PiQ, 58. — Life-cycle of Plasmodium vivax. — Bas?d]on Sehaudinn. 



I. Sporozoites; 2-7. Schizogony in human red blood cells ; 7a,8. Formation of gametocytes 

 in red blood cells ; 9. Gametocytes set free in stomach of mosquito ; 10. Production of 

 gametes; 11. Union of i and 9 gametes; 12. Zygote; 13. Zygote burrows through 

 stomach lining of mosquito ; 14. Encysts; 13, 16. Growth and development of sporo- 

 zoites; 17. Rupture of oocyst ; sporozoites set free. 



