electron microscopy of cells infected at high multiplicity with purified infectious c. psittaci showed that phagocytosed chlamydiae were segregated in a host phagocytic vacuole throughout their developmental cycle which consisted of the transition of infecting elementary bodies to reticulate bodies dividing by binary fission , followed by the reemergence of a population of elementary bodies .
C0007634
cells
C0042219
vacuole