dorsal intramarginal suture

例句：

1. 1.The dorsal intramarginal suture is a critical structure in the development of the human brain.
   腹侧内边际缝合线是人类大脑发育中的关键结构。
2. 2.During embryonic development, the dorsal intramarginal suture separates the neural tube into two distinct regions.
   在胚胎发育过程中，腹侧内边际缝合线将神经管分隔成两个不同的区域。
3. 3.The dorsal intramarginal suture plays a crucial role in the formation of the cerebral cortex.
   腹侧内边际缝合线在形成大脑皮层中起着至关重要的作用。