Jensen A, Bamford O S, Dawes G S, Hofmeyr G, Parkes M J
J Dev Physiol. 1986 Jun;8(3):187-94.
The effect of spontaneous changes in high or low voltage electrocortical activity, in the absence of uterine contractions, on the regional distribution of blood flow was studied in normoxic unanaesthetized fetal sheep at 124-134 days gestation in utero, using the isotope-labelled microsphere method. On transition from high to low voltage there was a significant fall in arterial pressure (7%) and an increase in flow (19-38%) to areas of the brain corresponding to the arborization of the reticular formation, i.e. excluding the cerebrum and cerebellum. Blood flow to the gastro-intestinal tract, pancreas and liver (portal vein) also increased.
在子宫内妊娠124 - 134天的常氧未麻醉胎羊中，采用同位素标记微球法，研究了在无子宫收缩情况下，高或低电压皮层电活动的自发变化对血流区域分布的影响。从高电压转变为低电压时，动脉压显著下降（7%），与网状结构分支相对应的脑区（即不包括大脑和小脑）的血流量增加（19 - 38%）。胃肠道、胰腺和肝脏（门静脉）的血流量也增加。
