This is a fluorescence microscopy image of a normal, "wild-type" (left) and a mutant (right) cell in which the vacuole membrane is marked in green. Comparing wild-type Arabidopsis thaliana to a ...

Electron microscope images reveal how the aqueous humor is packaged in vacuoles (arrowheads) inside the cells forming the walls of Schlemm's canal. Aging and glaucoma cause the number and size of ...