The cornea is not innervated by substance P-containing primary afferent neurons.
D000818:Animals; D003315:Cornea / Q000294:innervation*; D005455:Fluorescent Antibody Technique; D009475:Neurons, Afferent / Q000032:analysis*; D051381:Rats; D012867:Skin / Q000294:innervation; D013373:Substance P / Q000032:analysis*
D013373:Substance P