�̛�human cells, vertebrate spine, human blood vessels, fungal hyphae, plant roots, geological formations, microorganisms (possible pathogens),epithelial tissue, connective tissue, nerve fibers, muscle fibers, vascular smooth muscle cells, endothelial cells, platelets, erythrocytes, lymphocytes, tubular structures (possible kidney or lung tissues), granules and vesicles, cell membranes, cytoplasmic inclusions, mitochondrial structures, ribosomes, nuclear material, histones