title: Surface projections and internal structure of Chlamydia psittaci.
abstract: The outermost surface of the small infectious forms of Chlamydia psittaci contain geometrically arranged spikes distributed over approximately 50% of the bacterial surface. The spikes are located opposite the concave side of an electron-dense crescent-shaped chlamydial core.
mesh_terms: D002460:Cell Line; D002462:Cell Membrane / Q000382:microbiology / Q000648:ultrastructure; D002691:Chlamydophila psittaci / Q000648:ultrastructure*