Figure 1.
(A) Scanning electron micrograph of a diagnostic Helicosporidium cyst. (B) Transmission electron micrograph (cross section) detailing the core of three stacked ovoid cells (O) and the filamentous cell (F) contained within a pellicle (P).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.