Nutrient cells are the main cells, which are filled with plenty of nutrient granules and lipid granules.
营养细胞是其主要的组成细胞，内含丰富的营养颗粒和脂肪颗粒。
2
These cells are filled with starch grains as well as mostly one and sometimes 2 to many rhomboidal or square shaped protein crystalloids, but lipid is seldom seen.