They have been shown to secrete abundant Extracellular polymeric substances ( EPS ) .
Cyanothece species have a thin mucilagenous layer around a thick outer wall that contains spherical , glassy vesicles of unknown function .
species have been shown to secrete abundant Extracellular polymeric substances ( EPS ) .
Cyanothece species have a thin mucilagenous layer around a thick outer wall that contains spherical , glassy vesicles of unknown function .