A stoma
A stoma (from the Greek stoma = mouth) photographed under an optic microscope. It is an epidermis pore for gas exchange of plants. In this stoma, we see a dihedral symmetry of type D1.
© Franco Valoti
immagine di Franco Valoti
The image belongs to the sections...:
In the microscope (Symmetry)
In the microscope (Anthology of images)