Oocyst, Fig. 1
From: Oocyst
Sporulated oocyst of the coccidian genus Eimeria. AW outer wall, IW inner wall, MK micropyle, N nucleus, PK polar body, RK refractile body, RO residual body of oocyst, RS residual body of sporocyst, S sporocyst, SP sporozoite, SST substieda body, ST stieda body