经光学显微镜和透射电镜观察,中华绒螯蟹的脑具有3种类型的神经分泌细胞。Ⅰ型细胞最大,胞质中存在许多大小不同的空泡,分泌颗粒数量很少;Ⅱ型细胞中等大小,细胞器发达,分泌颗粒数量较多,形态多样;Ⅲ型细胞最小,分泌颗粒数量最多,细胞器很少。 By optical microscopy and transmission electron microscopy, Eriocheir sinensis brain has three types of neurosecretory cells. The type I cells were the largest with many vacuoles of different sizes in the cytoplasm, with few secreted granules. Type II cells were medium in size with well-developed organelles with a large number of secreted granules with the smallest number of type III cells and the largest number of secreted granules, Organelles rarely.