A neurohormone's any hormone produced by neurosecretory cells, usually in the brain. Neurohormonal activity's distinguished from that of classical neurotransmitters as it can have effects on cells distant from the source of the hormone. Neurohormones include: Name Biological Effects Human-scale Effects GnRH Gonadotropin releasing hormone CRH Corticotropin releasing hormone TRH Thyrotropin-releasing hormone Dopamine Prolactin inhibiting hormone Orexin (aka hypocretin)… (More on Neurohormone)