title: Preliminary observations on the ultrastructure of suppossed sexual stages of Babesia bigemina (Piroplasmea).
mesh_terms: D000818:Animals; D001403:Babesia / Q000254:growth & development / Q000648:ultrastructure*; D002462:Cell Membrane / Q000648:ultrastructure; D005260:Female; D007422:Intestines / Q000469:parasitology; D008870:Microtubules / Q000648:ultrastructure; D013987:Ticks / Q000469:parasitology*