in vivo

描述：

Portrait of the cyanophyte, Eucapsis alpina (Clements et Shantz, 1909).The spherical gray-green cells are embedded in a clear hyaline mucilage. They divide in three planes gresulting in cuboid colonies.In this image bacteria are adhering to the mucilage surrounding the cells.Colonies are free floating.Collected from a freshwater aquaculture tub near Boise, Idaho.December 2005.Phase contrast.