The high density nuclei consist of the pontine nuclei, inferior olivary complex and so on which have connections with cerebellum, cuneate nucleus, superior olivary nucleus and abducent nucleus.
血管密度高的核团包括了脑桥核、下橄榄核簇等与小脑相连系的核团，及楔束核、上橄榄核和展神经核；
2
In the mesencephalon, OXB-IR fibers were located in the central gray substance, superior and inferior colliculi, interpeduncular nucleus and raphe nuclei.