Within the DNA of the cells in these polyps, there are specific stretches of nucleotides that are called CpG islands.

息肉细胞DNA有一些特定核苷酸序列被称为CpG岛。

CpG islands are found in most promoter regions of genes which are the DNA sequences responsible for the initiation of gene transcription.

CpG岛位于绝大部分启动子区域，是一组负责转起始DNA序列。

It functions primarily in the transmission of neural signals between the brain and the rest of the body but also contains neural circuits that can independently control numerous reflexes and central pattern generators (CPG).

它功能主要是在大脑和身体其他部分之间传递神经信，包含可以独立控制许多反射和枢模式发生器(CPG)神经回路。