| 词汇 | myelencephalon |
| 释义 | myelencephalon noun[ Cusually singular ] anatomy specializeduk /ˌmaɪə.lenˈkef.ə.lɒn//ˌmaɪə.lenˈsef.ə.lɒn/ us /ˌmaɪə.lenˈsef.ə.lɑːn/pluralmyelencephalons or myelencephalauk /ˌmaɪə.lenˈsef.ə.lə/ us /ˌmaɪə.lenˈsef.ə.lə/ the back part of the developing brain of a baby before it is born: The floor and lateral walls of the myelencephalon are thickened to form the medulla oblongata. The remainder of the hindbrain is included in the myelencephalon, which becomes the medulla oblongata and is continuous with the spinal cord. the lowest part of the brain, at the top of the spinal cord, that controls activities such as heartbeat, blood pressure, and breathing: Cranial nerves VI to XII originate from the ventral part of the myelencephalon. Synonym medulla oblongata The hindbrain also splits into two areas: the metencephalon and the myelencephalon. The brains of six adult females were analysed and the internal structures that form a part of the telencephalon, diencephalons, midbrain, hindbrain, and myelencephalons were identified. In comparison with other birds, they have smaller diencephala, myelencephala, mesencephala, optic tecta, and cerebella. The brain & nervous system abducens nerve abducent nerve accessory nerve alexithymia allism glossopharyngeal nerve grey matter hemispheric hemispherical hindbrain neurogenic neurogenically neuroglia neuroglial neurohormonal reticular formation rhinencephalon rhombencephalon right brain right-brained Related wordmyelencephalic |
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