①左右摆动 ②旋转运动 ③侧向运动 ④翻转运动 Lipid Movement Membrane Fluidity CELL EXTERIOR Transverse diffusion(flip-flop) (-10s8c) Flex(-10 Lateral movement (frequent) Flp-flop(rare) Lateral shift ovof phospholipids CYTOSOL ①左右摆动 ②旋转运动 ③侧向运动 ④翻转运动