Figure 4
From: First record of gregarines (Apicomplexa) in seminal vesicle of insect

Electron micrographs of oocytes. (A,B) Sagittal section of oocytes showing the thick extracellular wall with three layers (L1–L3). In (B) note a single sporozoite (sp) showing nucleus (n) and small nucleolus (arrow). Cytoplasm (c); amylopectin granules (ag); spermatozoa (sp). (C,D) Transverse section of oocytes showing two (C) and four (D) sporozoites (sz) linked by cytoplasmic bridges (arrows).