The anterior of two brain vesicles formed by specialization of the rhombencephalon in the developing embryo. It gives rise to cerebellum and pons.
hog:0000326 lateral wall metencephalonhog:0000672 rhombomerehog:0000770 roof plate metencephalonhog:0000784 floor plate metencephalonBFO:0000050 part of
hog:0000070