title: Determination of the genera of cyst-forming coccidia.
abstract: The following heteroxenous and cyst-forming coccidian genera, Besnoitia, Cystoisospora, Frenkelia, Hammondia, Neospora, Sarcocystis and Toxoplasma have been compared biologically, and a key to determine their tissue cysts is provided.
mesh_terms: D000818:Animals; D002965:Classification; D003044:Coccidia / Q000145:classification / Q000254:growth & development; D003560:Cysts / Q000469:parasitology*; D006801:Humans; D033661:Oocysts / Q000502:physiology*; D009626:Terminology as Topic