myelencephalon

English Thesaurus

1. the posterior part of the hindbrain in developing vertebrates; forms the medulla oblongata in adults (noun.body)

hypernym	:	neural structure,
definition	:	a structure that is part of the nervous system (noun.body)

part meronym	:	hindbrain, rhombencephalon,
definition	:	the posterior portion of the brain including cerebellum and brainstem (noun.body)