part of anatomical structure development mammillary axonal complex development mammillotegmental axonal tract development GO:0061376 The process in which the mammillotegmental tract progresses over time, from its formation to the mature structure. The mammillotegmental tract is the collection of axons that connects the ventral diencephalon to the tegmentum and pons. 2010-11-09T09:09:29Z biological_process dph