myelencephalon
/ˌmʌɪɪlɛnˈsɛfəlɒn/ /ˌmʌɪɪlɛnˈsɛf(ə)lɒn/ /ˌmʌɪɪlɛnˈkɛfəlɒn/Anatomy
noun
The caudal division of the rhombencephalon (hindbrain) in the vertebrate embryo.
Origin
Mid 19th century (in an earlier sense). From myelo- + encephalon, after myelencephalous.