Microphotographs of endosperm in Arabidopsis th. seeds

1/ Light microphotograph of a paraffin section (10 μm) 

Graine Arabido MO paraffine

2/ Light microphotograph of an Epon section (1 micron) stained with methylen blue – basic fuchsin.

graine arabido semif fine epon

3/ Transmission Electron Micrograph of a part of endosperm. The section has been classically stained with lead citrate and uranyle acetate (see protocols).

Endosperme d'Arabidopsis

Higher magnification of the micrograph above. 

Cellule de l'endosperme

n: nucleus V : vacuoles