FMA definition : Tract of brain, each instance of which originates at some olivary nucleus and pass
out through the hilum and decussate with those from the opposite olive in some raphe
nucleus, then as internal arcuate fibers they pass partly through and partly around
the opposite olive and enter some inferior peduncle to be distributed to some cerebellar
hemisphere of the opposite side from which they arise.;
Tract of brain, each instance of which originates at some olivary nucleus and pass
out through the hilum and decussate with those from the opposite olive in some raphe
nucleus, then as internal arcuate fibers they pass partly through and partly around
the opposite olive and enter some inferior peduncle to be distributed to some cerebellar
hemisphere of the opposite side from which they arise.