(ˈɑːftəˌbreɪn) n (Biology) a nontechnical name for myelencephalonEncyclopediaSeemetencephalon
afterbrain
metencephalon
[met″en-sef´ah-lon] (Gr.) 1. the anterior part of the rhombencephalon" >rhombencephalon, comprising the pons and cerebellum.2. the anterior of two brain vesicles formed by specialization of the rhombencephalon in the developing embryo.