motor nerve cells in the spinal cords , spinal and sympathetic ganglia nerve cells , ganglion cells and some nerve cells at the inner part of the inner nuclear layer in the retinas were positively stained , whereas auerbach 's and meissner 's ganglia nerve cells in the small intestine , adrenal medullary cells , photoreceptor cells , bipolar cells and horizontal cells in the retina and olfactory nerve cells were negative .
C1512784
inner
C0035298
retinas