Keywords
membrane,bilayer,phospholipid,cell membrane,plasma membrane,cytoplasmic membrane,phospholipid membrane,bilayer membrane,cell bilayer,simplified bilayer,lipid bilayer,circle,circular,circular membrane,circular bilayer,circular cell membrane,circular cytoplasmic membrane,circular cell bilayer,circular simplified bilayer,circular lipid bilayer,quarter circle,vesicle,endocytosis,exocytosis,invagination,budding,budding membrane,cytosing membrane,active transport,endocytosing membrane,exocytosing membrane,cytosis,small vesicle,pinosome,pinocytosis