part of part of in taxon results in development of anatomical structure development mammillary axonal complex development mammillotectal axonal tract development The progression of the mammillotectal tract over time, from its formation to the mature structure. The mammillotectal tract is the collection of axons that connects the ventral diencephalon to the superior colliculus. dph 2010-11-09T09:01:14Z GO:0061375 Craniata <chordates> mammillotectal axonal tract