ramisection

例句：

1. 1. The surgeon performed a ramisection of the tumor to remove it completely.
   外科医生进行了肿瘤的分段切除，以完全移除它。
2. 2. The scientist conducted a segmentation study on the brain's structure.
   科学家对大脑结构进行了分段研究。
3. 3. The anatomist dissected the cadaver to better understand its internal organs.
   解剖学家解剖了尸体，以便更好地了解其内部器官。