No apparent fibroblast positivity but,  strong luminal membrane staining of developing airways’ epithelium.

Spinal cord T/S : strong labelling of ?meninges?

Spinal cord: area around central canal.

Skin: hypodermal and intermuscle fibre fibroblasts are positive. There is also strong labelling of the outermost epidermis and what appears to be membraneous staining of upper layers of keratinocytes.