frenulum of cranial medullary velum

例句：

1. 1.The frenulum of the cranial medullary velum is responsible for attaching the brain to the skull.
   颅脑膜的结缔组织负责将大脑连接到颅骨上。
2. 2.In surgery, it's important to identify and dissect the frenulum to avoid damaging the nerves.
   在手术中，识别并解剖结缔组织以避免损伤神经是很重要的。
3. 3. The frenulum is a delicate structure that connects the brain to the skull.
   结缔组织是一个连接大脑和颅骨的精细结构。