title: Preparation of second generation merozoites of Eimeria necatrix free of host tissue.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D002645:Chickens / Q000469:parasitology; D004539:Eimeria / Q000254:growth & development / Q000302:isolation & purification*; D007413:Intestinal Mucosa / Q000469:parasitology*; D007421:Intestine, Small / Q000469:parasitology; D011205:Povidone; D012822:Silicon Dioxide
chemical_list: C016039:Percoll; D012822:Silicon Dioxide; D011205:Povidone