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ions leading to circumcision and its role in diagnosis and treatment. The orexinergic system is one of the chemical mediators that modulate the gut-brain axis, given the involvement of hypothalamic orexin A (OXA) in gastrointestinal motility and secretion, and the presence of OXA in enteroendocrine cells of the intestinal mucosa and in primary afferent neurons of the mesenteric plexus, permitting its participation in gut-brain signaling. The source of OXA and the signal(s) triggering its peripheral release are not fully understood, and