OXB-IR fibers were located in the central gray substance, superior and inferior colliculi.
OXB-IR 纤维位于中央灰色物质，上，下丘脑中。
2
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；
3
These author found that destruction of per-aqueductal gray matter and adjacent tegmentum beneath the superior colliculi abolished or greatly reduced facio-vocal behavior.