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.

Identical pattern of positivity to that seen in mouse cerebellum.

Striatum.

T/S through dorsal area ( at the top, dorsal roots can be seen entering on each side