The fine structure of cysts of Frenkelia (the M-organism).
D000818:Animals; D016782:Apicomplexa / Q000166:cytology* / Q000302:isolation & purification; D001921:Brain / Q000382:microbiology; D008854:Microscopy, Electron; D011528:Protozoan Infections / Q000382:microbiology; D011529:Protozoan Infections, Animal; D012376:Rodent Diseases / Q000382:microbiology; D012377:Rodentia