Key Diagnostik Features

Amoebae and flagellates

Diagnostic features

  • size
  • form
  • surface (cyst wall, membrane of trophozoite)
  • surface modifications (flagella, fibrils)
  • nucleus (size, number, structure and location of chromatin and karyosome)
  • cytoplasma (granulation, vacuoles, inclusions (leukocytes, erythrocytes, bacteria, yeast)
  • stage of development (immature cyst, mature cyst, oocyst, number of sporocysts/sporozoites)