myelencephalon myelencephalic • myelencephalous · · · Info · Definitions · Characters · · myelencephalon · · Text Latin · · Script 14 · · Length Definitions · · · (noun) the posterior part of the hindbrain in developing vertebrates; forms the medulla oblongata in adults. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 y latin small letter y U+0079