1. Scanning (A and C) and transmission (B and D) electron micrographs depicting the life cycle stages of Acanthamoeba spp.
Scanning (A and C) and transmission (B and D) electron micrographs depicting the life cycle stages of Acanthamoeba spp. (A) A. polyphaga trophozoite; (B) trophozoite of A. castellanii showing the prominent central nucleolus (Nu), mitochondria (m), and cytoplasmic food vacuoles (v); (C) wrinkled cyst of A. polyphaga; (D) double-walled cyst of A. castellanii. Bars, 10 μm (A and D) and 1 μm (B and C).
Francine Marciano-Cabral, and Guy Cabral Clin. Microbiol. Rev. 2003; doi: /CMR