神经管形成,为脊椎动物及原索动物的神经胚期所见到的一种最明显的变化,神经板闭合作为中枢神经系统最初原基的神经管形成过程的总称。
在外胚层,神经管正在形成,在此基础上,婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
In the outer layer (ectoderm) the neural tube is forming from which the baby's nervous system-brain spinal cord skin and hair-will develop.
在外胚层,神经管正在形成,在此基础上,婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
In the outer layer (ectoderm) the neural tube is forming, from which the baby's nervous system-brain, spinal cord, skin and hair-will develop.
如果您在怀孕前或者怀孕的前几个星期内,也就是在神经管开始形成脑和脊髓的时期,叶酸可以起很重要的作用。
Folic acid works, but it only works if taken before and during the first few weeks of pregnancy, when the neural tube is developing into the brain and spinal cord.
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