| 词汇 | neural-crest |
| 释义 | neural crest noun[ C ] anatomy specializeduk /ˌnjʊə.rəl ˈkrest/ us /ˌnʊr.əl ˈkrest/ a line of cells along the length of the neural tube(= a structure in embryos that develops into the brain and spinal cord in humans and some animals) that develops into different parts of the nervous system: neural crest cellDuring the formation of the neural tube, cells called neural crest cells detach to form the peripheral nervous system. Both neurons and glia of the peripheral nervous system are derived from the neural crest. As the human embryo is being formed, along the back of this conglomeration of forming cells is a little ridge called the neural crest. Melanocytes of neural crest origin are located in the skin, eye, and inner ear. The neural crest is a migratory population of cells that gives rise to a wide range of cell types in the peripheral nervous system of vertebrate embryos. 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 |
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