Rat: E16-hor-589 1 = Spinal ganglion,  2 = Spinal cord,  3 = Ganglion,  4 = Inner ear formation,  5 = Ganglion,  6 = Diencephalon,  7 = Eye formation,  8 = Lateral ventrikel,  9 = Telencephalon. Rager staining. Horizontal section acquired with a 2.5x objective

http://www.vcbio.science.ru.nl/en/virtuallessons/embryology/rat-E16-hor-589/print/