�LBacterial colony, Fungal mycelium, Mitochondrial cristae, Nuclear chromatin, Ribosomes, Lysosome vesicles, Endoplasmic reticulum cisternae, Microtubule structures, Actin filaments, Cilia-like protrusions, Vesicle-bound substances, Nanoparticle clusters, Cell membrane pseudopodia,`Apical surface projections, Pit-like depressions, Groove-like structures, Microvilli, Surface-attached filaments, Membrane-associated spheres, Capsid-like structures, Viral capsomers, Enzyme-coated particles, Proteinaceous fibrils, Nucleic acid strands