Negoro H, Uchide K, Tadokoro Y, Honda K, Higuchi T
Brain Res. 1987 Feb 24;404(1-2):371-4. doi: 10.1016/0006-8993(87)91397-7.
Milk ejection-related bursts of action potentials recurred at fairly regular intervals during suckling in oxytocin cells of anesthetized lactating rats. Additional milk ejection-related bursts were frequently induced in response to vaginal distension. The latency for the induced response was 2.9 +/- 0.2 s and the size of the induced bursts was similar to that of spontaneous ones. When animals were not suckled, the burst was in no case induced by the stimulus. The findings indicate that the two afferent stimuli arising from the mammary gland and vagina can interact with each other in generating milk ejection-related bursts of oxytocin cells.
在麻醉的泌乳大鼠的催产素细胞中，与排乳相关的动作电位爆发在哺乳期间以相当规律的间隔反复出现。对阴道扩张的反应经常会诱发额外的与排乳相关的动作电位爆发。诱发反应的潜伏期为2.9±0.2秒，诱发爆发的大小与自发爆发相似。当动物不进行哺乳时，该刺激绝不会诱发动作电位爆发。这些发现表明，来自乳腺和阴道的两种传入刺激在产生与排乳相关的催产素细胞动作电位爆发时可以相互作用。
