Cryptosporidium parvum oocysts, fecal smear
<i >Cryptosporidium parvum </i>oocysts, fecal smear
Cryptosporidium parvum oocysts, fecal smear

    Cryptosporidium parvum oocysts (red spherules) in a Ziehl-Neelsen–stained fecal smear.

Courtesy of Dr. William Harold Witola.