start stage end stage diencephalic white matter commissure of the tract of the commissure of the caudal tuberculum zebrafish_anatomy 2016-10-18T10:07:14Z Commissure that is formed by a subset of TCPT axons that cross the midline in the diencephalon. The TCPTc does not appear to cross with other commissures. The initial crossing of the TCPTc occurs at approximately 36 hpf. ZFA:0005877 Ceri Commissure of the TCPT pharyngula:prim-25 adult