Neuroendocrine Reflex Pathways Place the events associated with a complex neuroendocrine pathway in the correct sequential order. Use the phrases below regarding gastrointestinal coordination of protein digestion to put together a complex neuroendocrine reflex pathway in the correct sequential order. Rank from earliest to latest. To rank items as equivalent, overlap them. meal containing protein enters the stomach, parietal cell releases hydrochioric acid, gastrin stimulates parietal cell, efferent neurons stimulate G cell, G cell releases gastrin into the circulation, Afferent neurons send information to nervous system in the gut lining