sporozoite
noun
spo·ro·zo·ite ˌspȯr-ə-ˈzō-ˌīt 
: a usually motile infective form of some sporozoans that is a product of sporogony and initiates an asexual cycle in the new host
Example Sentences
Recent Examples on the Web The bite of an infected mosquito sends immature parasites called sporozoites into the bloodstream. 
Lauran Neergaard, Fortune, 17 Jan. 2020 Mosquirix, developed in the 1980s by a team in Belgium at SmithKline-RIT, now part of GlaxoSmithKline (GSK), stimulates an immune response against a protein that occurs only on the sporozoites' surface. Jop De Vrieze, Science | AAAS, 26 Nov. 2019
Lauran Neergaard, Fortune, 17 Jan. 2020 Mosquirix, developed in the 1980s by a team in Belgium at SmithKline-RIT, now part of GlaxoSmithKline (GSK), stimulates an immune response against a protein that occurs only on the sporozoites' surface. Jop De Vrieze, Science | AAAS, 26 Nov. 2019 Word History
Etymology
New Latin Sporozoa + International Scientific Vocabulary -ite
First Known Use
1888, in the meaning defined above
Medical Definition
sporozoite
noun
spo·ro·zo·ite -ˈzō-ˌīt
: a usually motile infective form of some sporozoans (as the malaria parasite) that is a product of sporogony and initiates an asexual cycle in the new host