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首页> 外文期刊>Zoological Science >Inhibitory effect of postpartum lesions or cuts in median raphe nucleus on maternal behavior in female rats.
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Inhibitory effect of postpartum lesions or cuts in median raphe nucleus on maternal behavior in female rats.

机译：产后病变或正中裂核的切开对雌性大鼠母体行为的抑制作用。

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摘要

In order to clarify the role of the median (MRN) and dorsal (DRN) raphe nuclei in regulating maternal care (retrieving and licking behavior), radiofrequency lesions or microknife cuts were made in postpartum rats on the day after delivery. Animals were housed individually without pups after the operation. One week after the surgery, maternal behavioral test was carried out daily for 3 days using pups of 2-6 days age. The results demonstrated that rats with MRN lesions or ventral horizontal cuts of the MRN showed extremely low incidence of the maternal behavior, as compared to those in control and sham-operated groups. DRN-lesions or dorsal cuts of the MRN had no effect. In locomotor activities measured by the infrared sensor system, there was no difference between the groups. This suggest that the MRN but not DRN plays a critical role in regulating retrieving and licking behaviors and ventral outputs are involved in this function in postpartum rats.
机译：为了阐明中位（MRN）和背侧（DRN）缝核在调节孕产妇保健（取回和舔ing行为）中的作用，在分娩后第二天对产后大鼠进行了射频损伤或微刀割伤。手术后将动物单独饲养而没有幼崽。手术后一周，每天使用2-6天大的幼仔进行产妇行为测试，持续3天。结果表明，与对照组和假手术组相比，具有MRN损伤或MRN腹侧切开的大鼠表现出极低的产妇行为。 DRN病变或MRN背侧切口均无影响。在通过红外传感器系统测量的运动活动中，两组之间没有差异。这表明MRN而不是DRN在调节取食和舔behavior行为中起着关键作用，而产后大鼠的这种功能涉及腹输出。

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