sporozoa

Main Entry: spo·ro·zoa
Pronunciation: "spOr-&-'zO-&, "spor-
Function: noun plural
1 capitalized : a large class ofstrictly parasitic protozoans that pass through a complicated life cycle usually involving alternation of a sexual with an asexual generation, that often require two or more dissimilar hosts tocomplete their life cycle, that are typically immobile and usually intracellular parasites, and that include many serious pathogens (as the malaria parasites, coccidia, and babesias
2 : protozoans of the class Sporozoa

Sporozoa Spo·ro·zo·a (spôr'ə-zō'ə) or Spo·ro·zo·e·a (-zō'ē-ə)
n.
A large class of parasitic protozoa, most of which reproduce sexually and asexually in alternate generations by means of spores. They are frequently transmitted by bloodsucking insects to different hosts, where they cause many serious diseases, such as malaria and coccidiosis.