B. According to the organization of the complex and the relation between pancreatic islet cells and autonomic ganglion cells, the neuroinsular complex may be divided into four types; ( 1) Type A: Islet cells intermingle with ganglion cells. 此复合体按其结构特点可分为四型:(1)A型:胰岛细胞与自主神经节细胞相混一起,二者无结缔组织分隔或结缔组织极少;