sporozoite noun. 
[spɔ:rǝ'zǝʊʌɪt, spɒ-] L19.[from SPORO- + -ZOITE.]Biology & 
Medicine. In certain protozoans, esp. sporozoans, a small motile individual produced by asexual fission of a sporont, usu. within a host. 
 [TahlilGaran] English Dictionary ▲