label: superior raphe nucleus
label_lc: superior raphe nucleus
description: "Hindbrain nucleus that is located in ventral rhombomeres 1-3 and gives rise to ascending fibers innervating most areas of the brain.  Early in development, both the superior raphe nucleus emits rostrally and caudally directed projections. However, in the adult, the long projections of superior raphe nucleus  restricted to anterior."