But not the evoked ejection of milk in response to neurohypophysial stimulation, suggesting that central NO possibly inhibits milk-ejection reflex at the sites of the reflex center innervating oxytocin neurons. 这些结果提示,中枢NO可能作用于射乳反射中枢内支配催产素神经元的部位,从而对反射性射乳实现抑制。