下丘作为听觉中脑的重要组成部分，在声源定位的过程中起到非常重要的作用。
The inferior colliculus (IC), as an important nucleus of auditory midbrain, is crucial for sound localization.
血清素系强力血管收缩剂，也是一种神经介质，集中在脑内某些部分，特别是中脑和下视丘。
A strong stimulator of blood-vessel constriction and a neurotransmitter, serotonin concentrates in certain brain areas, especially the midbrain and hypothalamus.
在中脑分布于中脑中央灰质、前丘、后丘、脚间核和中缝核；
In the mesencephalon, OXB-IR fibers were located in the central gray substance, superior and inferior colliculi, interpeduncular nucleus and raphe nuclei.
在中脑分布于中脑中央灰质、前丘、后丘、脚间核和中缝核；
In the mesencephalon, OXB-IR fibers were located in the central gray substance, superior and inferior colliculi, interpeduncular nucleus and raphe nuclei.
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