Arrowheads indicate punctate positivity along nerve fibres of Auerbach’s plexus.
Mouse brain
Arrowheads: black indicates ganglion cell bodies and red indicates individual nerve fibres within musclaris externa ( Auerbach’s plexus)
Poor quality of tissue due to delay in fixation.
( However, many thanks to my friend Dr Mehmet Bozkurt for the many tissue samples!)
Lamb cerebellum: pattern of positivity across several mammalian species is identical, under these IHC conditions.
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