neurula period

例句：

1. 1.The patient was diagnosed with a neuroblastoma at the neuroblastoma stage.
   患者被诊断出患有神经母细胞瘤。
2. 2. The research focused on the neuronal development during the early stages of embryogenesis.
   研究专注于胚胎发育早期神经元的发展。
3. 3. The neurosurgeon performed a craniotomy to remove the tumor from the patient's brain.
   神经外科医生进行了开颅手术，将肿瘤从患者的脑中移除。