Sporozoa undergoes a complex life cycle with alternating
Only sexual reproductive phases

Plasmodium
species) are all_________ parasites.

Plasmodium Species (Blood Sporozoa)
Phylum: Apicomplexa
Class: sporozoa

Malaria is the number _______ killer of all the parasitic

1 million people die of
malaria each year , mostlyl_________ years of age

Transmission to humans is by the bloodsucking bite of male Anopheles mosquitoes

species of Plasmodium cause malaria

species of Plasmodium cause malaria in humans:

two most common species are P vivax and P falciparum

Vivax being the most pathogenic

Plasmodium vivax :___ of total malarial cases in Iraq.

rapidly (usually within 1 hour) enter parenchymal cells of the liver

merozoites, rupture and leave the liver cells, enter the bloodstream, and invade erythrocytes

The merozoites do not return from red blood cells to liver cells.

with successive broods of merozoites appearing at 48 - hour intervals (P vivax, P falciparum and P ovale ) or every 72 hours ( P malariae ).

During the erythrocytic cycles , certain
merozoites enter red cells and become

Sporogony:The gametocytes, male (macroogametocytes) and female ( microgametocytes ),

mature sexual forms are capable of further development and rest die

___microgametes are formed by the process called exflagellation