Lateral ventricle exit zone of progenitor olfactory inter-neurones.

Black pigment at dermo-epidermal junction is melanin

Note the external teeth

I gave this ab ( lot GR135943) a bad abreview because, imho, too many nuclei were positive.

However, I recently tested a new batch ( GR 270979-1) and it is excellent ( image shown).

T/S through spinal cord